NCERT Solutions for Class 7 Maths

NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4 are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4.

• Data Handling Class 7 Ex 3.1
• Data Handling Class 7 Ex 3.2
• Data Handling Class 7 Ex 3.3
• Data Handling Class 7 MCQ

NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4

Question 1.
Tell whether the following is certain to happen, impossible, can happen but not certain.

1. You are older today than yesterday.
2. A tossed coin will land heads up.
3. A die when tossed shall land up with 8 on top.
4. The next traffic light seen will be green.
5. Tomorrow will be a cloudy day.

Solution:

1. Certain to happen
2. Can happen but not certain
3. Impossible
4. Can happen but not certain
5. Can happen but not certain

Question 2.
There are 6 marbles in a box with numbers from 1 to 6 marked on each of them.

1. What is the probability of drawing a marble with the number 2?
2. What is the probability of drawing a marble with the number 5?

Solution:
Out of 6 marbles, one can be drawn in 6 ways. So, the total number of events = 6

1. The marble with the number 2 can be obtained only in one way.
∴ Required probability = \(\frac { 1 }{ 6 } \)

2. The marble with the number 5 can be obtained only in one way.
∴ Required probability = \(\frac { 1 }{ 6 } \)

Question 3.
A coin is flipped to decide which team starts the game. What is the probability that your team will start?
Solution:
On tossing a coin, the possible outcomes are head (H) or tail (T).
Required probability = \(\frac { 1 }{ 2 } \)

We hope the NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4 help you. If you have any query regarding NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4, drop a comment below and we will get back to you at the earliest.

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.7 are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.7.

• Fractions and Decimals Class 7 Ex 2.1
• Fractions and Decimals Class 7 Ex 2.2
• Fractions and Decimals Class 7 Ex 2.3
• Fractions and Decimals Class 7 Ex 2.4
• Fractions and Decimals Class 7 Ex 2.5
• Fractions and Decimals Class 7 MCQ

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.7

Question 1.
Find:

1. 0.4 ÷ 2
2. 0.35 ÷ 5
3. 2.48 ÷ 4
4. 65.4 ÷ 6
5. 651.2 ÷ 4
6. 114.49 ÷ 7
7. 3.96 ÷ 4
8. 0.80 ÷ 5

Solution:

Question 2.
Find:

1. 4.8 ÷ 10
2. 52.5 ÷ 10
3. 0.7 ÷ 10
4. 33.1 ÷ 10
5. 272.23 ÷ 1o
6. 0.56 ÷ 10
7. 3.97 ÷ 10

Solution:

Question 3.
Find:

1. 2.7 ÷ 100
2. 0.3 ÷ 100
3. 0.78 ÷ 100
4. 432.6 ÷ 100
5. 23.6 ÷ 100
6. 98.53 ÷ 100

Solution:

1. 2.7 ÷ 100 = 0.027
2. 0.3 ÷ 100 = 0.003
3. 0.78 ÷ 100 = 0.0078
4. 432.6 ÷ 100 = 4.326
5. 23.6 ÷ 100 = 0.236
6. 98.53 ÷ 100 = 0.9853.

Question 4.
Find:

1. 7.9 ÷ 1000
2. 26.3 ÷ 2000
3. 38.53 ÷ 1000
4. 128.9 ÷ 2000
5. 0.5 ÷ 2000

Solution:

1. 7.9 ÷ 1000 = 0.0079
2. 26.3 ÷ 1000 = 0.0263
3. 38.53 ÷ 1000 = 0.03853
4. 128.9 ÷ 1000 = 0.1289
5. 0.5 ÷ 1000 = 0.0005

Question 5.
Find:

1. 7 ÷ 3.5
2. 36 ÷ 0.2
3. 3.25 ÷ 0.5
4. 30.94 ÷ 0.7
5. 0.5 ÷ 0.25
6. 7.75 ÷ 0.25
7. 76.5 ÷ 0.15
8. 37.8 ÷ 1.4
9. 2.73 ÷ 1.3

Solution:

Question 6.
A vehicle covers a distance of 43.2 km in 2.4 litres of petrol. How much distance will it cover in one litre of petrol?
Solution:
∵ Distance covered in 2.4 litres of petrol = 43.2 km
∴ Distance travelled in 1 litre of petrol = 43.2 ÷ 2.4

We hope the NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.7 help you. If you have any query regarding NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.7, drop a comment below and we will get back to you at the earliest.

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.6 are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.6.

• Fractions and Decimals Class 7 Ex 2.1
• Fractions and Decimals Class 7 Ex 2.2
• Fractions and Decimals Class 7 Ex 2.3
• Fractions and Decimals Class 7 Ex 2.4
• Fractions and Decimals Class 7 Ex 2.5
• Fractions and Decimals Class 7 Ex 2.7
• Fractions and Decimals Class 7 MCQ

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.6

Question 1.
Find:

1. 0.2 × 6
2. 8 × 4.6
3. 2.71 × 5
4. 20.1 × 4
5. 0.05 × 7
6. 211.02 × 4
7. 2 × 0.86

Solution:

1. 0.2 × 6 = 1.2
2. 8 × 4.6 = : 36.8
3. 2.71 × 5 = 13.55
4. 20.1 × 4 = 80.4
5. 0.05 × 7 = 0.35
6. 211.02 × 4 = 844.08
7. 2 × 0.86 = 1.72

Question 2.
Find the area of rectangle whose length is 5.7 cm and breadth is 3 cm.
Solution:
Length of the rectangle = 5.7 cm
Breadth of the rectangle = 3 cm
∴ Area of the rectangle
= Length × Breadth
= 5.7 × 3 = 17.1 cm²

Question 3.
Find:

1. 1.3 × 10
2. 36.8 × 10
3. 153.7 × 10
4. 168.07 × 10
5. 31.1 × 100
6. 156.1 × 100
7. 3.62 × 100
8. 43.07 × 100
9. 0.5 × 10
10. 0.08 × 10
11. 0.9 × 100
12. 0.03 × 1000

Solution:

1. 1.3 × 10 = 13.0
2. 36.8 × 10 = 368.0
3. 153.7 × 10 = 1537.0
4. 168.07 × 10 = 1680.70
5. 31.1 × 100 = = 3110.0
6. 156.1 × 100 = 15610.0
7. 3.62 × 100 = = 362.00
8. 43.07 × 100 = 4307.00
9. 0.5 × 10 = 5 .0
10. 0.08 × 10 = 0.80
11. 0.9 × 100 = 90.0
12. 0.03 × 1000 = 30.0.

Question 4.
A two-wheeler covers a distance of 55.3 km in one litre of petrol. How much distance will it cover in 10 litres of petrol?
Solution:
Distance covered in one liter of petrol = 55.3 km
Distance covered in 10 litres of petrol = (55.3 × 10) km = 553 km

Question 5.
Find:

1. 2.5 × 0.3
2. 0.1 × 51.7
3. 0.2 × 316.8
4. 1.3 × 3.1
5. 0.5 × 0.05
6. 11.2 × 0.15
7. 1.07 × 0.02
8. 10.05 × 1.05
9. 101.01 × 0.01
10. 100.01 × 1.1

Solution:

1. 2.5 × 0.3 = 0.75
2. 0.1 × 51.7 = 5 .17
3. 0.2 × 316.8 = 63.36
4. 1.3 × 3.1 = 4.03
5. 0.5 × 0.05 = 0 .025
6. 11.2 × 0.15 = 1.680
7. 1.07 × 0.02 = 0.0214
8. 10.05 × 1.05 = 10.5525
9. 101.01 × 0.01 = 1.0101
10. 100.01 × 1.1 = 110.011

We hope the NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.6 help you. If you have any query regarding NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.6, drop a comment below and we will get back to you at the earliest.

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.5 are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.5.

• Fractions and Decimals Class 7 Ex 2.1
• Fractions and Decimals Class 7 Ex 2.2
• Fractions and Decimals Class 7 Ex 2.3
• Fractions and Decimals Class 7 Ex 2.4
• Fractions and Decimals Class 7 Ex 2.6
• Fractions and Decimals Class 7 Ex 2.7
• Fractions and Decimals Class 7 MCQ

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.5

Question 1.
Which is greater?

1. 0.5 or 0.05
2. 0.7 or 0.5
3. 7 or 0.7
4. 1.37 or 1.49
5. 2.03 or 2.30
6. 0.8 or 0.88

Solution:

Question 2.
Express as rupees using decimals:

1. 7 paise
2. 7 rupees 7 paise
3. 77 rupees 77 paise
4. 50 paise
5. 235 paise.

Solution:

1. 7 paise = ₹ 0.07
2. 7 rupees 7 paise = ₹ 7.07
3. 77 rupees 77 paise = ₹ 77.77
4. 50 paise – ₹ 0.50
5. 235 paise = ₹ 2.35

Question 3.

1. Express 5 cm in metre and kilometre
2. Express 35 mm in cm, m and km?

Solution:

1. 5 cm = 0.05 m = 0.00005 km
2. 35 mm = 3.5 cm = 0.035 m = 0.000035 km

Question 4.
Express in kg:

1. 200 g
2. 3470 g
3. 4 kg 8 g

Solution:

1. 200 g = 0.200 kg = 0.2 kg
2. 3470 g = 3.470 kg
3. 4 kg 8 g = 4.008 kg.

Question 5.
Write the following decimal numbers in the expanded form:

1. 20.03
2. 2.03
3. 200.03
4. 2.034

Solution:

Question 6.
Write the place value of 2 in the following decimal numbers:

1. 2.56
2. 21.37
3. 10.25
4. 9.42
5. 63.352

Solution:
(i) Place value of 2 in the decimal number 2.56 = 2 × 1 = 2
(ii) Place value of 2 in decimal number 21.37 = 2 × 10 = 20
(iii) Place value of 2 in the decimal number

Question 7.
Dinesh went from place A to place t B and from there to place C. A is 7.5 km from B and B is 12.7 km from C. Ayub went from place A to place D and from there to place C. D is 9.3 km from A and C is 11.8 km from D. f Who travelled more and by how much?
Solution:

Question 8.
Shyama bought 5 kg 300 g apples and 3 kg 250 g mangoes. Sarala bought 4 kg 800 g oranges and 4 kg 150 g bananas. Who bought more fruits?
Solution:
For Shyama
Apples bought = 5 kg 300 g = 5.300 kg
Mangoes bought = 3 kg 250 g = 3.250 kg
∴ Fruits bought = Apples bought
+ Mangoes bought = 5.300 kg + 3.250 kg

For Sarala
Oranges bought = 4 kg 800 g = 4.800 kg
Bananas bought = 4 kg 150 g = 4.150 kg
∴ Fruits bought = Oranges bought
+ Bananas bought

Question 9.
How much less is 28 km than 42.6 km?
Solution:

So, 28 km is less than 42.6 km by 14.6 km.

We hope the NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.5 help you. If you have any query regarding NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.5, drop a comment below and we will get back to you at the earliest.

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.4 are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.4.

• Fractions and Decimals Class 7 Ex 2.1
• Fractions and Decimals Class 7 Ex 2.2
• Fractions and Decimals Class 7 Ex 2.3
• Fractions and Decimals Class 7 Ex 2.5
• Fractions and Decimals Class 7 Ex 2.6
• Fractions and Decimals Class 7 Ex 2.7
• Fractions and Decimals Class 7 MCQ

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.4

Question 1.
Find:

Solution:

Question 2.
Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fractions, improper fractions and whole numbers.

Solution:

Question 3.
Find:

Solution:

Question 4.
Find:


Solution:

We hope the NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.4 help you. If you have any query regarding NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.4, drop a comment below and we will get back to you at the earliest.