MCQ Questions – Page 63

MCQ Questions for Class 7 Maths Chapter 13 Exponents and Powers with Answers

February 20, 2023February 17, 2023 by Dattu

Check the below NCERT MCQ Questions for Class 7 Maths Chapter 13 Exponents and Powers with Answers Pdf free download. MCQ Questions for Class 7 Maths with Answers were prepared based on the latest exam pattern. We have provided Exponents and Powers Class 7 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-maths-chapter-13/

Students can also refer to NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers for better exam preparation and score more marks.

Exponents and Powers Class 7 MCQs Questions with Answers

Exponents And Powers Class 7 MCQ Question 1.
The exponential form of 10000 is
(a) 10³
(b) 10⁴
(c) 10⁵
(d) none of these

Answer

Answer: (b) 10⁴
Hint:
10000 = 10 × 10 × 10 × 10 = 10⁴

MCQ On Exponents And Powers For Class 7 Question 2.
The exponential form of 100000 is
(a) 10³
(b) 10⁴
(c) 10⁵
(d) none of these

Answer

Answer: (c) 10⁵
Hint:
100000 = 10 × 10 × 10 × 10 × 10 = 10⁵

Class 7 Exponents And Powers MCQ Question 3.
The exponential form of 81 is
(a) 3⁴
(b) 3³
(c) 3²
(d) none of these

Answer

Answer: (a) 3⁴
Hint:
81 = 3 × 3 × 3 × 3 = 3⁴

MCQ Questions For Class 7 Maths Exponents And Powers Question 4.
The exponential form of 125 is
(a) 5⁴
(b) 5³
(c) 5²
(d) none of these

Answer

Answer: (b) 5³
Hint:
125 = 5 × 5 × 5 = 5³

MCQ Of Exponents And Powers Class 7 Question 5.
The exponential form of 32 is
(a) 2³
(b) 2⁴
(c) 2⁵
(d) none of these

Answer

Answer: (c) 2⁵
Hint:
32 = 2 × 2 × 2 × 2 × 2 = 2⁵

Exponents And Powers MCQ Class 7 Question 6.
The exponential form of 243 is
(a) 3⁵
(b) 3⁴
(c) 3³
(d) 3²

Answer

Answer: (a) 3⁵
Hint:
243 = 3 × 3 × 3 × 3 × 3 = 3⁵

MCQ Questions On Exponents And Powers For Class 7 Question 7.
The exponential form of 64 is
(a) 2⁵
(b) 2⁶
(c) 2⁷
(d) 2⁸

Answer

Answer: (b) 2⁶
Hint:
64 = 2 × 2 × 2 × 2 × 2 × 2 = 2⁶

Class 7 Maths Exponents And Powers MCQ Question 8.
The exponential form of 625 is
(a) 5²
(b) 5³
(c) 5⁴
(d) 5⁵

Answer

Answer: (c) 5⁴
Hint:
625 = 5 × 5 × 5 × 5 = 5⁴

Class 7 Exponents And Powers Extra Questions MCQ Question 9.
The exponential form of 1000 is
(a) 10¹
(b) 10²
(c) 10³
(d) 10⁴

Answer

Answer: (c) 10³
Hint:
1000 = 10 × 10 × 10 = 10³

Class 7 Maths Chapter 13 MCQ Question 10.
The value of (- 2)³ is
(a) 8
(b) -8
(c) 16
(d) -16

Answer

Answer: (b) -8
Hint:
(-2)³ = (-2) × (-2) × (-2) = -8

MCQ On Indices For Class 7 Question 11.
The value of (- 2)⁴ is
(a) 8
(b) -8
(c) 16
(d) -16

Answer

Answer: (c) 16
Hint:
(-2)⁴ = (-2) × (-2) × (-2) × (-2) = 16

MCQ Exponents And Powers Class 7 Question 12.
What is the base in 8²?
(a) 8
(b) 2
(c) 6
(d) 10

Answer

Answer: (a) 8

Exponents And Powers Class 7 MCQ With Answers Question 13.
What is the exponent in 8²?
(a) 8
(b) 2
(c) 16
(d) 6

Answer

Answer: (b) 2

MCQ Questions For Class 7 Maths Chapter 13 Question 14.
(-1)^{even number} =
(a) -1
(b) 1
(c) 0
(d) none of these

Answer

Answer: (b) 1

Class 7 Maths Chapter 13 Extra Questions Question 15.
(-1)^{odd number} =
(a) -1
(b) 1
(c) 0
(d) none of these

Answer

Answer: (a) -1

Question 16.
0 × 10⁴ =
(a) 0
(b) 10⁴
(c) 1
(d) none of these

Answer

Answer: (a) 0

Question 17.
If 2³ × 2⁴ = 2^?, then ? =
(a) 3
(b) 4
(c) 1
(d) 7

Answer

Answer: (d) 7
Hint:
2³ × 2⁴ = 2³⁺⁴ = 2⁷

Question 18.
If (- 3)⁴ × (-3)⁶ = (-3)^?, then ? =
(a) 4
(b) 10
(c) 6
(d) 12

Answer

Answer: (b) 10
Hint:
(-3)⁴ × (-3)⁶ = (-3)⁴⁺⁶ = (-3)¹⁰

Question 19.
2⁷ ÷ 2³ =
(a) 2⁴
(b) 2¹⁰
(d) 2
(d) \(\frac { 1 }{ 2 } \)

Answer

Answer: (a) 2⁴
Hint:
2⁷÷ 2³ = 2^7-3 = 2⁴

Question 20.
10⁶ ÷ 10⁵ =
(a) 10¹
(b) 10⁵
(c) 10⁶
(d) 10¹¹

Answer

Answer: (a) 10¹
Hint:
10⁶ ÷ 10⁵ = 10^6-5 = 10¹

Question 21.
b × b × b × b × b =
(a) b⁵
(b) b⁴
(c) b⁶
(d) b³

Answer

Answer: (a) b⁵

Question 22.
(-5)⁴ =
(a) 125
(b) 625
(c) 375
(d) 125

Answer

Answer: (b) 625
Hint:
(-5)⁴ = (-5) × (-5) × (-5) × (-5) = 625

Question 23.
a^m × aⁿ =
(a) a^m+n
(b) a^m-n
(c) a^mn
(d) a^m/n

Answer

Answer: (a) a^m+n

Question 24.
am ÷ an =
(a) a^m+n
(b) a^m-n
(c) a^mn
(d) a^m/n

Answer

Answer: (b) a^m-n

Question 25.
(2²)³ =
(a) 2²
(b) 2³
(c) 2¹
(d) 2⁶

Answer

Answer: (d) 2⁶
Hint:
(22)³ = 2^2×3 = 2⁶

Question 26.
(5²)¹⁰ =
(a) 5²
(b) 5²⁰
(c) 5¹⁰
(d) 5⁵

Answer

Answer: (b) 5²⁰
Hint:
(5²)¹⁰ = 5^2×10 = 5²⁰

Question 27.
(a^m)ⁿ =
(a) a^m+n
(b) a^m-n
(c) a^mn
(d) a^m/n

Answer

Answer: (c) a^mn

Question 28.
If a is any non-zero integer, then a⁰ =
(a) a
(b) 0
(c) 1
(d) none of these

Answer

Answer: (c) 1

Question 29.
3⁰ =
(a) 0
(b) 1
(c) 3
(d) none of these

Answer

Answer: (b) 1

Question 30.
3⁰ × 4⁰ × 5⁰ =
(a) 1
(b) 3
(c) 4
(d) 5

Answer

Answer: (a) 1
Hint:
3⁰ × 4⁰ × 5⁰ = 1 × 1 × 1 = 1

Question 31.
(2⁰ + 3⁰) × 4⁰ =
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (b) 2
Hint:
(2⁰ + 3⁰) × 4⁰ = (1 + 1) × 1 = 2

Question 32.
3⁰ + 4⁰ + 5⁰ =
(a) 1
(b) 2
(c) 3
(d) none of these

Answer

Answer: (c) 3
Hint:
3⁰ + 4⁰ + 5⁰ = 1 + 1 + 1 = 3

Question 33.
Which of the following is true?
(a) 2⁰ = (100)⁰
(b) 10² × 10⁸ = 10¹⁶
(c) 2² × 3³ = 65
(d) 2³ > 3²

Answer

Answer: (a) 2⁰ = (100)⁰
Hint:
2⁰ = (100)⁰ = 1

Question 34.
(2² × 2)² =
(a) 2³
(b) 2⁴
(c) 2⁵
(d) 2⁶

Answer

Answer: (d) 2⁶
Hint:
(2² × 2)² = (2²⁺¹)² = (2³)² = 2^3×2 = 2⁶

Question 35.
\(\frac { { 3 }^{ 8 } }{ { 3 }^{ 5 }\times { 3 }^{ 3 } } =\)
(a) 1
(b) 3
(c) 5
(d) 8

Answer

Answer: (a) 1
Hint:
\(\frac{3^8}{3^5×3^3}\) = \(\frac{3^8}{3^{5+3}}\) = \(\frac{3^8}{3^8}\) = 1

Question 36.
(\(\frac { { a }^{ 4 } }{ { a }^{ 2 } } \times { a }^{ 3 }=\))
(a) a⁴
(b) a⁵
(c) a⁶
(d) a⁸

Answer

Answer: (b) a⁵
Hint:
(\(\frac{a^4}{a^2}\)) × a³ = a^4-2 × a³ = a² × a³
= a²⁺³ = a⁵

Question 37.
82 ÷ 24 =
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (d) 4
Hint:
8² + 2⁴ = \(\frac{(2×2×2)^2}{2^4}\) = \(\frac{(2^3)^2}{2^4}\)
= \(\frac{2^{3×2}}{2^4}\) = \(\frac{2^6}{2^4}\) = 2^6-4 = 2² = 4

Question 38.
(-2a)³ =
(a) 2a³
(b) 4a³
(c) 8a³
(d) -8a³

Answer

Answer: (d) -8a³
Hint:
(-2a)³ = (-2a) × (-2a) × (-2a) = -8a³

Question 39.
a^m ÷ b^m =
(a) a^m b^m
(b) (\(\frac { a }{ b } \))^m
(c) \(\frac { a }{ b } \)
(d) 1

Answer

Answer: (b) (\(\frac { a }{ b } \))^m

Question 40.
(ab)^m =
(a) a^m b^m
(b) a^mb
(c) ab^m
(d) ab

Answer

Answer: (a) a^m b^m

Question 41.
333 in standard form is
(a) 3.33 × 10²
(b) 3.33 × 10³
(c) 3.33 × 10¹
(d) 3.33 × 10⁴

Answer

Answer: (a) 3.33 × 10²

Question 42.
6000 in standard form is
(a) 6 × 10³
(b) 6 × 10⁶
(c) 6 × 10⁴
(d) 6 × 10⁵

Answer

Answer: (a) 6 × 10³

Question 43.
3430000 in standard form is
(a) 3.43 × 10⁶
(b) 3.43 × 10⁴
(c) 3.43 × 10²
(d) 3.43 × 10¹⁰

Answer

Answer: (a) 3.43 × 10⁶

Question 44.
1353000000 in standard form is
(a) 1.353 × 10⁹
(b) 1.353 × 10⁶
(c) 1.353 × 10³
(d) 1.353 × 10¹²

Answer

Answer: (a) 1.353 × 10⁹

Question 45.
100000000000 in standard form is
(a) 1 × 10⁸
(b) 1 × 10⁹
(c) 1 × 10¹⁰
(d) 1 × 10¹¹

Answer

Answer: (d) 1 × 10¹¹

We hope the given NCERT MCQ Questions for Class 7 Maths Chapter 13 Exponents and Powers with Answers Pdf free download will help you. If you have any queries regarding Exponents and Powers CBSE Class 7 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

MCQ Questions for Class 7 Maths Chapter 14 Symmetry with Answers

February 20, 2023February 17, 2023 by Dattu

Check the below NCERT MCQ Questions for Class 7 Maths Chapter 14 Symmetry with Answers Pdf free download. MCQ Questions for Class 7 Maths with Answers were prepared based on the latest exam pattern. We have provided Symmetry Class 7 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-maths-chapter-14/

Students can also refer to NCERT Solutions for Class 7 Maths Chapter 14 Symmetry for better exam preparation and score more marks.

Symmetry Class 7 MCQs Questions with Answers

Symmetry Class 7 MCQ Chapter 14 Question 1.
How many lines of symmetry are there in an equilateral triangle?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (c) 3

MCQ On Symmetry For Class 7 Chapter 14 Question 2.
How many lines of symmetry are there in a square?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (d) 4

Class 7 Symmetry MCQ Chapter 14 Question 3.
How many lines of symmetry are there in a rectangle?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (b) 2

Symmetry MCQ Class 7 Chapter 14 Question 4.
How many lines of symmetry are there in a regular pentagon?
(a) 1
(b) 2
(c) 3
(d) 5

Answer

Answer: (d) 5

MCQ Questions On Symmetry For Class 7 Chapter 14 Question 5.
How many lines of symmetry are there in a regular hexagon?
(a) 2
(b) 4
(c) 6
(d) 3

Answer

Answer: (c) 6

MCQ Of Symmetry Class 7 Chapter 14 Question 6.
How many lines of symmetry are there in the following figure?

(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (a) 1

MCQ Questions For Class 7 Maths Symmetry Chapter 14 Question 7.
How many lines of symmetry are there in the following figure?

(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (a) 1

Class 7 Maths Chapter 14 MCQ Question 8.
How many lines of symmetry are there in the following figure?

(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (a) 1

Class 7 Maths Chapter 14 MCQ With Answers Question 9.
How many lines of symmetry are there in the following figure?

(a) 4
(b) 3
(c) 2
(d) 1

Answer

Answer: (d) 1

Symmetry Multiple Choice Questions Chapter 14 Question 10.
How many lines of symmetry are there in the following figure?

(a) 2
(b) 1
(c) 4
(d) 3

Answer

Answer: (b) 1

Class 7 Maths Ch 14 MCQ Question 11.
How many lines of symmetry are there in following figure?

(a) 1
(b) 2
(c) 3
(d) None of these

Answer

Answer: (a) 1

MCQ Symmetry Class 7 Chapter 14 Question 12.
How many lines of symmetry are there in the following figure?

(a) 1
(b) 2
(c) 3
(d) Infinitely many

Answer

Answer: (d) Infinitely many

Symmetry Class 7 Extra Questions Chapter 14 Question 13.
How many lines of symmetry are there in an isosceles triangle?
(a) 4
(b) 3
(c) 1
(d) 2

Answer

Answer: (c) 1

Symmetry MCQ Chapter 14 Question 14.
How many lines of symmetry are there in a scalene triangle?
(a) 1
(b) 0
(c) 2
(d) 4

Answer

Answer: (b) 0

Questions On Symmetry For Class 7 With Answers Chapter 14 Question 15.
How many lines of symmetry are there in a rhombus?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (b) 2

Class 7 Maths Symmetry MCQ Chapter 14 Question 16.
How many lines of symmetry are there in a parallelogram?
(a) 0
(b) 1
(c) 2
(d) None of these

Answer

Answer: (a) 0

MCQ Questions For Class 7 Maths Chapter 14 Question 17.
How many lines of symmetry are there in a quadrilateral?
(a) 0
(b) 2
(c) 4
(d) None of these

Answer

Answer: (a) 0

Questions On Symmetry For Class 7 Chapter 14 Question 18.
The order of rotational symmetry of an equilateral triangle is
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (c) 3

Symmetry Questions For Class 7 Chapter 14 Question 19.
The order of rotational symmetry of a square is
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (d) 4

Question 20.
What is the order of the rotational symmetry of the following figure?

(a) 4
(b) 3
(c) 2
(d) 1

Answer

Answer: (a) 4

Question 21.
The order of the rotational symmetry of the following figure about the point marked x (cross) is

(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (d) 4

Question 22.
The order of the rotational symmetry of the following figure about the point marked x is

(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (c) 3

Question 23.
The order of the rotational symmetry of the following figure about the point marked x is

(a) 2
(b) 3
(c) 4
(d) 1

Answer

Answer: (a) 2

Question 24.
Which of the following letters of English alphabet has reflectional symmetry about a vertical mirror?
(a) H
(b) J
(c) Z
(d) P

Answer

Answer: (a) H

Question 25.
Which of the following letters of English alphabet has reflectional symmetry about a horizontal mirror?
(a) H
(b) K
(c) M
(d) W

Answer

Answer: (a) H

Question 26.
Which of the following letters of English alphabet has reflectional symmetry about both horizontal and vertical mirrors?
(a) O
(b) Y
(c) T
(d) L

Answer

Answer: (a) O

Question 27.
The quadrilateral which has both line and rotational symmetry of order more than 1 is
(a) isosceles triangle
(b) rhombus
(c) scalene triangle
(d) square

Answer

Answer: (d) square

We hope the given NCERT MCQ Questions for Class 7 Maths Chapter 14 Symmetry with Answers Pdf free download will help you. If you have any queries regarding Symmetry CBSE Class 7 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

MCQ Questions for Class 7 Maths Chapter 12 Algebraic Expressions with Answers

February 20, 2023February 17, 2023 by Dattu

Check the below NCERT MCQ Questions for Class 7 Maths Chapter 12 Algebraic Expressions with Answers Pdf free download. MCQ Questions for Class 7 Maths with Answers were prepared based on the latest exam pattern. We have provided Algebraic Expressions Class 7 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-maths-chapter-12/

Students can also refer to NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions for better exam preparation and score more marks.

Algebraic Expressions Class 7 MCQs Questions with Answers

Algebraic Expressions Class 7 MCQ Question 1.
How many terms are there in the expression 2x²y?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (a) 1

MCQ On Algebraic Expressions For Class 7 Question 2.
How many terms are there in the expression 2y + 5?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (b) 2

MCQ Of Algebraic Expressions Class 7 Question 3.
How many terms are there in the expression 1.2ab – 2.4b + 3.6a?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (c) 3

Algebraic Expressions MCQ Class 7 Question 4.
How many terms are there in the expression – 2p³ – 3p² + 4p + 7?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (d) 4

Class 7 Algebraic Expressions MCQ Question 5.
What is the coefficient of x in the expression 4x + 3y?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (d) 4

Class 7 Maths Chapter 12 MCQ Question 6.
What is the coefficient of x in the expression 2 – x + y?
(a) 2
(b) 1
(c) -1
(d) None of these

Answer

Answer: (c) -1

MCQ Questions For Class 7 Maths Algebraic Expressions Question 7.
What is the coefficient of x in the expression y²x + y?
(a) y²
(b) y
(c) 1
(d) 0

Answer

Answer: (a) y²

MCQ Algebraic Expressions Class 7 Question 8.
What is the coefficient of x in the expression 2z – 3xz?
(a) 3
(b) z
(c) 3z
(d) -3z

Answer

Answer: (d) -3z

Class 7 Maths Algebraic Expressions MCQ Question 9.
What is the coefficient of x in the expression 1 + x + xz?
(a) z
(b) 1 + z
(c) 1
(d) 1 + x

Answer

Answer: (b) 1 + z

MCQ Questions On Algebraic Expressions For Class 7 Question 10.
What is the coefficient of x in the expression 2x + xy²?
(a) 2 + y²
(b) 2
(c) y²
(d) None of these

Answer

Answer: (a) 2 + y²

Class 7 Maths Ch 12 MCQ Question 11.
What is the coefficient of y² in the expression 4 – xy²?
(a) 4
(b) x
(c) -x
(d) None of these

Answer

Answer: (c) -x

Algebraic Expressions Class 7 Extra Questions Question 12.
What is the coefficient of y² in the expression 3y² + 4x?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (c) 3

Algebraic Expressions Class 7 MCQ With Answers Question 13.
What is the coefficient of y² in the expression 2x²y – 10xy² + 5y²?
(a) 5 – 10x
(b) 5
(c) -10 x
(d) None of these

Answer

Answer: (a) 5 – 10x

Class 7 Maths Chapter 12 MCQ With Answers Question 14.
What is the coefficient of x in the expression ax³ + bx² + d?
(a) a
(b) b
(c) d
(d) 0

Answer

Answer: (d) 0

MCQs On Algebraic Expressions For Class 7 Question 15.
What is the coefficient of x² in the expression ax + b?
(a) a
(b) b
(c) a + b
(d) 0

Answer

Answer: (d) 0

Question 16.
Which of the following pairs of terms is a pair of like terms?
(a) 1, 10
(b) y, -xy
(c) z², Z
(d) Z², 8

Answer

Answer: (a) 1, 10

Question 17.
Which of the following pairs of terms is a pair of like terms?
(a) 7xy, 14yx
(b) m²p, mp²
(c) 6xz, 12 x²z²
(d) -13x, -13y

Answer

Answer: (a) 7xy, 14yx

Question 18.
Which of the following pairs of terms is a pair of like terms?
(a) 3x, 2xy
(b) -xy², – 2xy²
(c) -6x², 20x²y
(d) 8x², 7y

Answer

Answer: (b) -xy², – 2xy²

Question 19.
Which of the following pairs of terms is a pair of like terms?
(a) 7p, 8q
(b) 10pq, -7qp
(c) 12q²p², -5p²
(d) 2405p, 78qp

Answer

Answer: (b) 10pq, -7qp

Question 20.
Which of the following pairs of terms is a pair of unlike terms?
(a) -p²q², 12q²p²
(b) 41, 100
(c) qp², 13p²q
(d) -4yx², -4xy²

Answer

Answer: (d) -4yx², -4xy²

Question 21.
Add 2 mn, -4 mn, 8 mn, -6 mn
(a) 0
(b) 2 mn
(c) 8 mn
(d) 10 mn

Answer

Answer: (a) 0
Hint:
2 + (-4) + 8 + (-6) = 0

Question 22.
Add a + b – 1, b – a + 1, 1 – 26
(a) 1
(b) -1
(c) 2
(d) -2

Answer

Answer: (a) 1
Hint:
Sum = (1 – 1)a + (1 + 1 – 2)b – 1 + 1 + 1 = 1

Question 23.
Add 4x²y, -3x²y, -7xy², 7xy²
(a) x²y
(b) xy²
(c) xy
(d) -x² y

Answer

Answer: (a) x²y
Hint:
(4 – 3)xy + (-7 +7)xy² = x²y

Question 24.
Simplify : p + (p – q) + q + (q – p)
(a) p
(b) q
(c) p + q
(d) p – q

Answer

Answer: (c) p + q
Hint:
p + p – q + q + q – p = p + q

Question 25.
Simplify : z² + 11z² – 5z – 11z² + 5z
(a) z²
(b) -z²
(c) 5z
(d) -5z

Answer

Answer: (b) -z²
Hint:
(-1 + 11 – 11)z² + (5 – 5)z = -z²

Question 26.
Subtract – xy from xy
(a) xy
(b) 2xy
(c) 3xy
(d) 4xy

Answer

Answer: (b) 2xy
Hint:
xy – (-xy) = xy + xy = 2xy

Question 27.
Subtract y² from – 5y²
(a) -6y2
(b) 6y2
(c) y2
(d) -5y2

Answer

Answer: (a) -6y2
Hint:
-5y² – y² = -6y²

Question 28.
What should be added to x² + y² to get x² + y² + 2 xy?
(a) xy
(b) 2xy
(c) 4xy
(d) -2xy

Answer

Answer: (b) 2xy
Hint:
x² + y² + 2xy – (x² + y²) = 2xy

Question 29.
What should be subtracted from x² + y² – 2xy to get x² + y²?
(a) 2xy
(b) -2xy
(c) xy
(d) – xy

Answer

Answer: (b) -2xy
Hint:
x² +y² – 2xy – (x² + y²) = -2xy

Question 30.
Find the value of the expression x + 2 for x = -2
(a) 0
(b) 2
(c) -2
(d) 4

Answer

Answer: (a) 0
Hint:
-2 + 2 = 0

Question 31.
Find the value of the expression 4x – 3 for x = 1
(a) 4
(b) -3
(c) 3
(d) 1

Answer

Answer: (d) 1
Hint:
4(1) – 3 = 1

Question 32.
Find the value of the expression 100 – 10 x 3 for x = 0
(a) 10
(b) -10
(c) 100
(d) -100

Answer

Answer: (c) 100
Hint:
100 – 10(0)3 = 100

Question 33.
Find the value of the expression 5n – 3 for n = -1
(a) 5
(b) -3
(c) -8
(d) 8

Answer

Answer: (c) -8
Hint:
5(-1) -3 = -8

Question 34.
Find the value of the expression x² + 2x + 1 for x = – 1
(a) 0
(b) 1
(c) -1
(d) 2

Answer

Answer: (a) 0
Hint:
(-1)² + 2(-1) + 1 = 0

Question 35.
Find the value of the expression a + b for a = 1, b = 2
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (c) 3
Hint:
1 + 2 = 3

Question 36.
Find the value of the expression a² – 2ab + b² for a = 1, b = 1
(a) 1
(b) 0
(c) -1
(d) 2

Answer

Answer: (b) 0
Hint:
(1)² -2(1)(1) + (1)² = 0

Question 37.
Find the value of the expression a² – b² for a = 2, b = 1
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (c) 3
Hint:
(2)² – (1)² = 3

Question 38.
Find the value of the expression a² + b² for a = 1, b = 0
(a) 1
(b) 0
(c) 2
(d) 4

Answer

Answer: (a) 1
Hint:
(1)² + (0)² = 1

Question 39.
Find the value of the expression a² + ab + 1 for a = 0, b = 1
(a) 0
(b) 1
(c) -1
(d) 2

Answer

Answer: (b) 1
Hint:
(o)² + (o)(1) + 1 = 1

Question 40.
Find the value of the expression 3x + 5 (x – 2) for x = 2
(a) 2
(b) 4
(c) 5
(d) 6

Answer

Answer: (d) 6
Hint:
3(2)+ 5(2 – 2) = 6

Question 41.
Find the value of the expression z³ – 2(z – 10) for z = 10
(a) 10
(b) 100
(c) 1000
(d) 10000

Answer

Answer: (c) 1000
Hint:
(10)³ – 2(10 – 10) = 1000

Question 42.
Find the value of the expression – x + 2 for x = -2
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (d) 4
Hint:
-(-2) + 2 = 2 + 2 = 4

Question 43.
Find the value of the expression 3p + 7 for p = -2
(a) 1
(b) -1
(c) 2
(d) -2

Answer

Answer: (a) 1
Hint:
3(-2) + 7 = 1

Question 44.
Find the value of the expression a³ + b³ + c³ – 3abc for a = 2, b = 3, c = 4
(a) 3
(b) 6
(c) 9
(d) 27

Answer

Answer: (d) 27
Hint:
(2)³ + (3)³ + (4)³ – 3(2)(3)(4)
= 8 + 27 + 64 – 72 = 27

Question 45.
If the value of the expression x² – 5x + k for x = 0 is 5, then the value of k is
(a) 2
(b) 3
(c) 4
(d) 5

Answer

Answer: (d) 5
Hint:
(0)² – 5(0) + k = 5
⇒ k = 5

We hope the given NCERT MCQ Questions for Class 7 Maths Chapter 12 Algebraic Expressions with Answers Pdf free download will help you. If you have any queries regarding Algebraic Expressions CBSE Class 7 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

MCQ Questions for Class 7 Maths Chapter 11 Perimeter and Area with Answers

February 20, 2023February 17, 2023 by Dattu

Check the below NCERT MCQ Questions for Class 7 Maths Chapter 11 Perimeter and Area with Answers Pdf free download. MCQ Questions for Class 7 Maths with Answers were prepared based on the latest exam pattern. We have provided Perimeter and Area Class 7 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-maths-chapter-11/

Students can also refer to NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area for better exam preparation and score more marks.

Perimeter and Area Class 7 MCQs Questions with Answers

Perimeter And Area Class 7 MCQ Question 1.
Perimeter of a square =
(a) side × side
(b) 3 × side
(c) 4 × side
(d) 2 × side

Answer

Answer: (c) 4 × side
Hint:
Formula

Class 7 Maths Chapter 11 MCQ Question 2.
Perimeter of a rectangle of length Z and breadth 6 is
(a) l + b
(b) 2 × (l + b)
(c) 3 × (l + b)
(d) l × b

Answer

Answer: (b) 2 × (l + b)
Hint:
Formula

MCQ Of Perimeter And Area Class 7 Question 3.
Area of a square =
(a) side × side
(b) 2 × side
(c) 3 × side
(d) 4 × side

Answer

Answer: (a) side × side
Hint:
Formula

MCQ On Perimeter And Area For Class 7 Question 4.
Area of a rectangle of length l and breadth b is
(a) l × b
(b) l + b
(c) 2 × (l + b)
(d) 6 × (l + b)

Answer

Answer: (a) l × b
Hint:
Formula

MCQ Questions On Area And Perimeter For Class 7 Question 5.
Area of a parallelogram =
(а) base × height
(b) \(\frac { 1 }{ 2 } \) × base × height
(c) \(\frac { 1 }{ 3 } \) × base × height
(d) \(\frac { 1 }{ 4 } \) × base × height

Answer

Answer: (а) base × height
Hint:
Formula

Class 7 Maths Chapter 11 MCQ With Answers Question 6.
Area of a triangle =
(а) base × height
(b) \(\frac { 1 }{ 2 } \) × base × height
(c) \(\frac { 1 }{ 3 } \) × base × height
(d) \(\frac { 1 }{ 4 } \) × base × height

Answer

Answer: (b) \(\frac { 1 }{ 2 } \) × base × height
Hint:
Formula

Class 7 Maths Ch 11 MCQ Question 7.
The circumference of a circle of radius r is
(a) πr
(b) 2πr
(c) πr²
(d) \(\frac { 1 }{ 4 } \) πr²

Answer

Answer: (b) 2πr
Hint:
Formula

Class 7 Perimeter And Area MCQ Question 8.
The circumference of a circle of diameter d is
(a) πd
(b) 2πd
(c) \(\frac { 1 }{ 2 } \) πd
(d) πd²

Answer

Answer: (a) πd
Hint:
Formula

Perimeter And Area MCQ Class 7 Question 9.
If r and d are the radius and diameter of a circle respectively, then
(a) d = 2 r
(b) d = r
(C) d = \(\frac { 1 }{ 2 } \) r
(d) d = r²

Answer

Answer: (a) d = 2 r
Hint:
Formula

Class 7 Maths Chapter 11 Extra Questions Question 10.
The area of a circle of radius r is
(a) πr²
(b) 2πr²
(c) 2πr
(d) 4πr²

Answer

Answer: (a) πr²
Hint:
Formula

MCQ On Area And Perimeter Class 7 Question 11.
The area of a circle of diameter d is
(a) πd²
(b) 2πd²
(c) \(\frac { 1 }{ 4 } \) πd²
(d) 2πd

Answer

Answer: (c) \(\frac { 1 }{ 4 } \) πd²
Hint:
Formula

Perimeter And Area Class 7 Extra Questions Question 12.
1 cm² =
(a) 10 mm²
(b) 100 mm²
(c) 1000 mm²
(d) 10000 mm²

Answer

Answer: (b) 100 mm²
Hint:
Formula

Class 7 Math Chapter 11 MCQ Question 13.
1 m² =
(a) 10 cm²
(b) 100 cm²
(c) 1000 cm²
(d) 10000 cm²

Answer

Answer: (d) 10000 cm²
Hint:
Formula

Class 7 Perimeter And Area Extra Questions Question 14.
1 hectare =
(a) 10 m²
(b) 100 m²
(c) 1000 m²
(d) 10000 m²

Answer

Answer: (d) 10000 m²
Hint:
Formula

MCQ Questions For Class 7 Maths Chapter 11 Question 15.
1 are =
(a) 10 m²
(b) 100 m²
(c) 1000 m²
(d) 10000 m²

Answer

Answer: (b) 100 m²
Hint:
Formula

Question 16.
The area of a square plot is 1600 m². The side of the plot is
(a) 40 m
(b) 80 m
(c) 120 m
(d) 160 m

Answer

Answer: (a) 40 m
Hint:
Side = \(\sqrt{1600}\) = 40 m

Question 17.
The area of a square is 121 m². Its side is
(a) 11 m
(b) 21 m
(c) 31 m
(d) 41 m

Answer

Answer: (a) 11 m
Hint:
Side = \(\sqrt{121}\) = 11 m

Question 18.
The area of a square is 625 m². Find its side
(a) 25 m
(b) 50 m
(c) 125 m
(d) 5 m

Answer

Answer: (a) 25 m
Hint:
Side = \(\sqrt{625}\) = 25 m

Question 19.
The area of a rectangular field is 250 m². If the breadth of the field is 10 m, find its length.
(a) 25 m
(b) 50 m
(c) 100 m
(d) 125 m

Answer

Answer: (a) 25 m
Hint:
Length = \(\frac{250}{10}\) = 25 m

Question 20.
The perimeter of a rectangle is 30 m. Its length is 10 m. Its breadth is
(a) 5 m
(b) 10 m
(c) 15 m
(d) 3 m

Answer

Answer: (a) 5 m
Hint:
30 = 2 (Length + Breadth)
⇒ 30 = 2 (10 + Breadth)
⇒ Breadth = 5 m

Question 21.
The perimeter of a square is 48 cm. Its area is
(a) 144 cm²
(b) 12 cm²
(c) 48 cm²
(d) 100 cm²

Answer

Answer: (a) 144 cm²
Hint:
Side = \(\frac{48}{4}\) = 12 cm
∴ Area = 12 × 12 = 144 cm²

Question 22.
The area of a rectangular room is 150 m². If its breadth is 10 m, then find its length.
(a) 15 m
(b) 25 m
(c) 50 m
(d) 55 m

Answer

Answer: (a) 15 m
Hint:
Length = \(\frac{150}{10}\) = 15 m

Question 23.
A rectangular wire of length 40 cm and breadth 20 cm is bent in the shape of a square. The side of the square is
(a) 10 cm
(b) 20 cm
(c) 30 cm
(d) 40 cm

Answer

Answer: (c) 30 cm
Hint:
Side of square = \(\frac{2(40+20)}{4}\) = 30 cm

Question 24.
The area of a parallelogram of base 5 cm and height 3.2 cm is
(a) 8 cm²
(b) 12 cm²
(c) 16 cm²
(d) 20 cm²

Answer

Answer: (c) 16 cm²
Hint:
Area = 5 × 3.2 = 16 cm²

Question 25.
Find the area of the following ; parallelogram:

(a) 12 cm²
(b) 6 cm²
(c) 24 cm²
(d) 8 cm²

Answer

Answer: (a) 12 cm²
Hint:
Area = 6 × 2 = 12 cm²

Question 26.
Find the area of the following parallelogram:

(a) 6 cm²
(b) 12 cm²
(c) 16 cm²
(d) 9 cm²

Answer

Answer: (b) 12 cm²
Hint:
Area = 4 × 3 = 12 cm²

Question 27.
The area of the parallelogram ABCD in which AB = 6.2 cm and the perpendicular from C on AB is 5 cm is
(a) 30 cm²
(b) 29 cm²
(c) 28 cm²
(d) 31 cm²

Answer

Answer: (d) 31 cm²
Hint:
Area = 6.2 × 5 = 31 cm²

Question 28.
One of the sides and the corresponding height of a parallelogram are 3 cm and 1 cm respectively. The area of the parallelogram is
(a) 1 cm²
(b) 3 cm²
(c) 6cm²
(d) 12 cm²

Answer

Answer: (b) 3 cm²
Hint:
Area = 3 × 1 = 3 cm²

Question 29.
If the area of a parallelogram is 16 cm2 and base is 8 cm, find the height.
(a) 1 cm
(b) 2 cm
(c) 3 cm
(d) 4 cm

Answer

Answer: (b) 2 cm
Hint:
Height = \(\frac{16}{8}\) = 2 cm

Question 30.
The area of a parallelogram is 20 cm2 and height is 2 cm. Find the corresponding base.
(a) 3 cm
(b) 4 cm
(c) 5 cm
(d) 2.4 cm

Answer

Answer: (d) 2.4 cm
Hint:
Base = \(\frac{20}{2}\) = 10 cm

Question 31.
Find AD in the following figure :

(a) 3 cm
(b) 4 cm
(c) 5 cm
(d) 2.4 cm

Answer

Answer: (d) 2.4 cm
Hint:
Area of Δ ABC = \(\frac{3×4}{2}\)
= \(\frac{5×AD}{2}\) ⇒ AD = 2.4

Question 32.
Find the area of ∆ ABC :

(a) 1 cm²
(b) 2 cm²
(c) 4 cm²
(d) \(\frac { 1 }{ 2 } \) cm²

Answer

Answer: (d) \(\frac { 1 }{ 2 } \) cm²
Hint:
Area = \(\frac{1×1}{2}\) = \(\frac{1}{2}\) cm²

Question 33.
Find the area of ∆ ABC

(a) 3 cm²
(b) 4 cm²
(c) 6 cm²
(d) 12 cm²

Answer

Answer: (c) 6 cm²
Hint:
Area = \(\frac{4×3}{2}\) = 6 cm²

Question 34.
Find the area of ∆ ABC

(a) 1 cm²
(b) 2 cm²
(c) 3 cm²
(d) 4 cm²

Answer

Answer: (c) 3 cm²
Hint:
Area = \(\frac{3×2}{2}\) = 3 cm²

Question 35.
Which of the following is not the value of π ?
(a) \(\frac { 22 }{ 7 } \)
(b) \(\frac { 7 }{ 22 } \)
(c) \(\frac { 355 }{ 113 } \)
(d) 3.14

Answer

Answer: (b) \(\frac { 7 }{ 22 } \)

Question 36.
The radius of a circle is 7 cm. Its circumference is
(a) 22 cm
(b) 44 cm
(c) 11 cm
(d) 66cm

Answer

Answer: (b) 44 cm
Hint:
Circumference = 2 × \(\frac{22}{7}\) × 7 = 44 cm

Question 37.
The diameter of a circle is 14 cm. Find its circumference
(a) 44 cm
(b) 22 cm
(c) 11 cm
(d) 55 cm

Answer

Answer: (a) 44 cm
Hint:
Circumference = \(\frac{22}{7}\) × 14 = 44 cm

Question 38.
The radius of a circle is 7 cm. Find its area
(a) 154 cm²
(b) 77 cm²
(c) 11 cm²
(d) 22 cm²

Answer

Answer: (a) 154 cm²
Hint:
Area = \(\frac{22}{7}\) × 7 × 7 = 154 cm²

Question 39.
The diameter of a circle is 7 cm. Find its area
(a) 154 cm²
(b) 38.5 cm²
(c) 22 cm²
(d) 11 cm²

Answer

Answer: (b) 38.5 cm²
Hint:
Area = \(\frac{22}{7}\) × \(\frac{7}{2}\) × \(\frac{7}{2}\) = 38.5 cm²

Question 40.
The perimeter of the following figure is

(a) 27 cm
(b) 28 cm
(c) 36 cm
(d) 40 cm

Answer

Answer: (c) 36 cm
Hint:
Perimeter = 2 × 7 + \(\frac{22}{7}\) × 7
= 14 + 22 = 36 cm.

We hope the given NCERT MCQ Questions for Class 7 Maths Chapter 11 Perimeter and Area with Answers Pdf free download will help you. If you have any queries regarding Perimeter and Area CBSE Class 7 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

MCQ Questions for Class 7 Maths Chapter 10 Practical Geometry with Answers

February 20, 2023February 17, 2023 by Prasanna

Check the below NCERT MCQ Questions for Class 7 Maths Chapter 10 Practical Geometry with Answers Pdf free download. MCQ Questions for Class 7 Maths with Answers were prepared based on the latest exam pattern. We have provided Practical Geometry Class 7 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-7-maths-chapter-10/

Students can also refer to NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry for better exam preparation and score more marks.

Practical Geometry Class 7 MCQs Questions with Answers

Practical Geometry Class 7 MCQ Question 1.
In ΔRST, R = 5 cm, and ∠SRT = 45° and ∠RST = 45°. Which criterion can be used to construct ΔRST?
(a) A.S.A. criterion
(b) S.A.S. criterion
(c) S.S.S. criterion
(d) R.H.S. criterion

Answer

Answer: (a) A.S.A. criterion
Hint:
MCQ On Practical Geometry Class 7
Clearly, from the figure two angles and the included side are given. So, A.S.A. criterion can be used to construct ARST.

MCQ On Practical Geometry Class 7 Question 2.
Identify the criterion of construction of the equilateral triangle LMN given LM = 6 cm.
(a) S.A.S. criterion
(b) R.H.S. criterion
(c) A.S.A. criterion
(d) S.S.S. criterion

Answer

Answer: (d) S.S.S. criterion
Hint:
Since ALMN is equilateral the measurement of one side is used for the other two sides of the triangle. Hence ALMN can be constructed by S.S.S. criterion.

Class 7 Maths Chapter 10 MCQ With Answers Question 3.
The idea of equal alternate angles is used to construct which of the following?
(a) A line parallel to a given line
(b) A triangle
(c) A square
(d) Two triangles

Answer

Answer: (a) A line parallel to a given line.

Class 7 Maths Chapter 10 MCQ Question 4.
A Given AB = 3 cm, AC = 5 cm,and ∠B = 30°, ΔABC cannot be uniquely constructed, with AC as base, why?
(a) Two sides and included angle are given.
(b) The other two angles are not given.
(c) The vertex B cannot be uniquely located.
(d) The vertex A coincides with the vertex C.

Answer

Answer: (c) The vertex B cannot be uniquely located.

MCQ On Pythagoras Theorem Class 7 Question 5.
A line panda point X not on it are given. Which of the following is used to draw a line parallel to p through X?
(a) Equal corresponding angles.
(b) Congruent triangles.
(c) Angle sum property of triangles.
(d) Pythagoras’ theorem.

Answer

Answer: (a) Equal corresponding angles.
Hint:
Corresponding angles of parallel lines are equal.

MCQ On Construction Of Triangles Class 7 Question 6.
Δ PQR is such that ∠P = ∠Q = ∠R = 60° which of the following is true?
(a) Δ PQR is equilateral.
(b) Δ PQR is acute angled.
(c) Both [a] and [b]
(d) Neither [a] nor [b]

Answer

Answer: (c) Both [a] and [b]
Hint:
In ΔPQR since all the angles are acute, it is acute angled. Also since all the angles are equal, it is equilateral.

Ncert Class 7 Maths Chapter 10 MCQ Question 7.
Which vertex of ΔABC is right angled if \(\overline { AB }\) = 8 cm, \(\overline { AC }\) = 6 cm,and \(\overline { BC }\) = 10 cm,?
(a) ∠C
(b) ∠A
(c) ∠B
(d) A or C

Answer

Answer: (b) ∠A
Hint:
From the given measurements, \(\overline { BC }\) is the hypotenuse. The angle opposite to \(\overline { BC }\) is ∠A which is a right angle.

MCQ On Geometrical Construction Class 7 Question 8.
An isosceles triangle is constructed as shown in the figure.

Which of the given statements is incorrect?
(a) \(\overline { PR }\) is the hypotenuse of ΔPQR.
(b) ΔPQR is an equilateral triangle.
(c) ΔPQR is a right angled triangle.
(d) If right angled ΔPQR has its equal angles measuring 45° each.

Answer

Answer: (b) ΔPQR is an equilateral triangle.

Class 7 Practical Geometry MCQ Question 9.
ΔPQR is constructed with all its angles measuring 60° each. Which of the following is correct?
(a) ΔPQR is an equilateral triangle.
(b) ΔPQR is isosceles triangle.
(c) ΔPQR is a scalene triangle.
(d) ΔPQR is a right angled triangle.

Answer

Answer: (a) ΔPQR is an equilateral triangle.

Practical Geometry MCQ Class 7 Question 10.
How many perpendicular lines can be drawn to a line from a point not on it?
(a) 1
(b) 2
(c) 0
(d) Infinite

Answer

Answer: (a) 1
Hint:
Class 7th Maths Chapter 10 MCQ
As can be seen from the given figure, one and only one perpendicular line can be drawn to a given line from a point not on it.

Class 7th Maths Chapter 10 MCQ Question 11.
Identify the false statement.
(a) A triangle with three equal sides is called an equilateral triangle.
(b) A triangle with a right angle is called a right angled triangle.
(c) A triangle with two equal sides is called a scalene triangle.
(d) A right angled triangle has two acute angles and a right angle.

Answer

Answer: (c) A triangle with two equal sides is called a scalene triangle.

Class 7 Maths Ch 10 MCQ Question 12.
ΔPQR is constructed such that PQ = 5 cm, PR = 5 cm and ∠RPQ = 50° Identify the type of triangle constructed.
(a) An isosceles triangle
(b) An acute angled triangle
(c) An obtuse angled triangle
(d) Both [a] and [b]

Answer

Answer: (d) Both [a] and [b]

Class 7 Maths Chapter 10 Extra Questions Question 13.
Which of the following is NOT constructed using a ruler and a set square?
(a) A perpendicular to a line from a point not on it.
(b) A perpendicular bisector of a line segment.
(c) A perpendicular to a line at a point on the line.
(d) A line parallel to a given line through a given point.

Answer

Answer: (b) A perpendicular bisector of a line segment.

Question 14.
Study the steps of construction given.
Step 1: Draw a ray OA.
Step 2: With O as centre and any convenient radius draw an arc MN to cut OA at M.
Step 3: With M as centre and the same radius draw an arc to cut MN at P.
Step 4: With P as centre and the same radius, draw an arc to cut MN at Q.
Step 5: Draw OQ and produce it to D. An angle AOD is constructed.
What is the measure of ∠AOD?
(a) 60°
(b) 30°
(c) 120°
(d) 45°

Answer

Answer: (c) 120°
Hint:
The given steps of construction are to construct an angle of 120°.
Class 7 Maths Chapter 10 Extra Questions

Question 15.
In ΔXYZ, x, y and z denote the three sides. Which of the following is incorrect’?
(a) x – y > z
(b) x + z > y
(c) x – y < z
(d) x + y > z

Answer

Answer: (a) x – y > z
Hint:
The difference of two sides of a triangle is less than its third side.

Question 16.
In which of the following cases can a triangle be constructed?
(a) Measures of three sides are given.
(b) Measures of two sides and an included angle are given.
(c) Measures of two angles and the side between them are given.
(d) All the above.

Answer

Answer: (d) All the above.

Question 17.
Based on the sides of a triangle, which of the following is a classification of triangles?
(a) A right angled triangle
(b) An acute angled triangle
(c) An obtuse angled triangle
(d) An isosceles triangle

Answer

Answer: (d) An isosceles triangle

Question 18.
Which of the following is used to draw a line parallel to a given line?
(a) A protractor
(b) A set square
(c) A ruler
(d) A ruler and compasses

Answer

Answer: (d) A ruler and compasses
Hint:
A line parallel to a given line can be drawn using a ruler and a compass.

Question 19.
Direction: David folds a sheet of paper. The dotted lines as shown in the figure are the creases formed, which are named as l, m and n.
MCQ Questions for Class 7 Maths Chapter 10 Practical Geometry with Answers 5
What can you say about lines I and n?
(a) l // n
(b) l ⊥ n
(c) I is the same line as n
(d) Neither [a] nor [b]

Answer

Answer: (b) l ⊥ n
Hint:
A 90° angle is formed at the intersection of l and n. So l ⊥ n.

Question 20.
A Choose the correct option in which a triangle CANNOT be constructed with the given lengths of sides.
(a) 3 cm, 4 cm, 5 cm
(b) 7 cm, 6 cm, 5 cm
(c) 10 cm, 7 cm, 2 cm
(d) 12 cm, 8 cm, 6 cm

Answer

Answer: (c) 10 cm, 7 cm, 2 cm
Hint:
The difference of any two sides of a triangle must be less than the third side. This property of triangles is not satisfied by the given measurements as 10 – 7 = 3 > 2 and 10 – 2 = 8 > 7, though 7 – 2 = 5 < 10 is true.

Question 21.
Identify the true statement.
(a) A triangle with 3 equal sides is isosceles.
(b) A triangle with a 110° angle is right angled.
(c) A triangle with 3 acute angles is acute angled.
(d) A triangle with 2 equal sides is equilateral.

Answer

Answer: (c) A triangle with 3 acute angles is acute angled.

Question 22.
Which of the following statements is incorrect?
(a) The sum of angles in a triangle is 2 right angles.
(b) The exterior angle of a triangle is equal to the interior angle of the triangle.
(c) The hypotenuse is the longest side of a right angled triangle.
(d) All the above.

Answer

Answer: (b) The exterior angle of a triangle is equal to the interior angle of the triangle.

Question 23.
A triangular sign board is isosceles. If the unequal side is 7 cm and one of the equal sides is 6 cm, what is the measure of the third side?
(a) 5 cm
(b) 6 cm
(c) 7 cm
(d) Either [a] or [c]

Answer

Answer: (b) 6 cm

Question 24.
In the given figure, find the measure of ∠ROT, if PQ = QR and ∠QPR = 60°.
MCQ Questions for Class 7 Maths Chapter 10 Practical Geometry with Answers 6
(a) 60°
(b) 140°
(c) 120°
(d) 100°

Answer

Answer: (c) 120°
Hint:
ΔPQR is isosceles since PQ = QR.
∴ ∠QPR = ∠QRP = 60° ∠RQT is the exterior angle of ΔPQR which is equal to the sum of interior opposite angles ∠P and ∠R.
Hence, ∠RQT = 60° + 60° = 120°.

Question 25.
Which among the following is used to construct a triangle?
(a) The lengths of the three sides.
(b) The perimeter of the triangle.
(c) The measures of three angles.
(d) The names of three vertices.

Answer

Answer: (a) The lengths of the three sides.
Hint:
S.S.S. criterion can be used indirectly to construct a triangle given the lengths of its three sides.

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