Question

1. Tick the correct alternative :

i. The square root of 37.21

a) 6.9 b) 5.9 c) 6.1 d) 5.1

ii. The square root of 0.4

a) 0.2 b) 0.02 c) 0.63 d) 0.16

iii. If , then value of is

a) 1 b) 7 c) 13 d) 25

iv. The least number to be subtracted from 743 to get a perfect square is

a) 14 b) 41 c) 98 d) 118

2. Which of the following are Pythagorean triplets:

i. 3,4,5 ii. 20,24,29 iii. 30,40,50 iv. 7,24,25

3. Find the smallest number by which 14700 should be divided so that it becomes a perfect

square. Also find the square root of the number obtained.

4. Find the least number which must be added to 92700 to make it a perfect square.

5. Find the least number which must be subtracted from 194491 to make it a perfect square.

6. 9811 men are to be arranged in rows to form a perfect square. Find the number of men in

each row and the number left out.

7. Which of the following are perfect squares?

i. 4225 ii. 4517 iii. 1024

7. Find the least number by which 7688 should be multiplied so that the resulting number

becomes a perfect square.

8. Find the greatest 3-digit number which is a perfect square.

9. Find the least 4-digit number which is a perfect square.

10. By division method, find the square root of

i. 5929 ii. 3364 iii. 11025 iv. 571536

11. Find the square root of

i. ii. iii. iv.

12. Find the square root of

i. 6.4009 ii. 26.01 iii. 0.0324 iv. 70.56

13. The area of a square field is 60025 sq m. Find the perimeter of the field.

14. Find the square root of 362.1409

15. During Diwali, Daya Shankar got a bonus of Rs 21025 by his employer. He decided to give a

part of his bonus to one of his widow aunt at his village. He decided that the amount will be

the square root of Rs 21025.

i. How much amount did he give to his aunt?

ii. The correct word for Daya Shankar is

a) Fool b) Wise/Good c) Bad d) None of these​

Answer 1

Answer:

agar ncert book he to solutions download karle

Answer 2

Answer:

$the \: square root37.21$