RS Aggarwal Class 8 Solutions Chapter 3 Squares and Square Roots Ex 3H

RS Aggarwal Class 8 Solutions Chapter 3 Squares and Square Roots Ex 3H

These Solutions are part of RS Aggarwal Solutions Class 8. Here we have given RS Aggarwal Solutions Class 8 Chapter 3 Squares and Square Roots Ex 3H.

Other Exercises

Question 1.
Solution:
5478 as it has 8 at in the end (c)

Question 2.
Solution:
2222 as it has 2 in the end (d)

Question 3.
Solution:
1843 as it has 3 in the end (a)

Question 4.
Solution:
4787 as it has 7 in the end (b)

Question 5.
Solution:
81000 as it has an odd number of zeros at its end (c)

Question 6.
Solution:
8, as the number with 8, in the end, cannot be a perfect square. (d)

Question 7.
Solution:
The square of a proper fraction is smaller than the given fraction. (b)

Question 8.
Solution:
1 + 3 + 5 + 7 + … to n terms when n is an odd is equal to n² (c)
Sum of first n odd natural numbers is n²

Question 9.
Solution:
Answer = (d)
(8)² + (15)²
= 64 + 225
= 289 = (17)²

Question 10.
Solution:
Answer = (c)
RS Aggarwal Class 8 Solutions Chapter 3 Squares and Square Roots Ex 3H Q10.1
7 must be subtracted

Question 11.
Solution:
Finding the square root of 526 by division method
RS Aggarwal Class 8 Solutions Chapter 3 Squares and Square Roots Ex 3H Q11.1
We get remainder = 41
Now (22)² = 484 and (23)² = 529
The least number to be added = 529 – 526 = 3 (a)

Question 12.
Solution:
Finding the square root of 15370 by division method
We get remainder = 261
Now (123)² = 15129
and (124)² = 15376
The least number to be added
= 15376 – 15370 = 6 (b)

Question 13.
Solution:
Answer = (d)
RS Aggarwal Class 8 Solutions Chapter 3 Squares and Square Roots Ex 3H Q13.1

Question 14.
Solution:
√0.1 = 0.316 (c)
RS Aggarwal Class 8 Solutions Chapter 3 Squares and Square Roots Ex 3H Q14.1

Question 15.
Solution:
Answer = (b)
\(\sqrt { 0.9\times 1.6 } \)
= \(\sqrt { 1.44 } \)
= \(\sqrt { 1.2\times 1.2 } \)
= 1.2

Question 16.
Solution:
Answer = (c)
RS Aggarwal Class 8 Solutions Chapter 3 Squares and Square Roots Ex 3H Q16.1

Question 17.
Solution:
\(\sqrt { 2\frac { 1 }{ 4 } } \)
= \(\sqrt { \frac { 9 }{ 4 } } =\frac { 3 }{ 2 } \)
= \(1\frac { 1 }{ 2 } \) (b)

Question 18.
Solution:
We know that the square on an even number is also an even number. 196 is the square of an even number (a)

Question 19.
Solution:
We know that the square of an odd number is also an odd number
RS Aggarwal Class 8 Solutions Chapter 3 Squares and Square Roots Ex 3H Q19.1
1369 is an odd number

Hope given RS Aggarwal Solutions Class 8 Chapter 3 Squares and Square Roots Ex 3H are helpful to complete your math homework.

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