Squares and Square Roots MCQ Questions and Answers for Practice

1. 25 can be express as the sum of first...............consecutive odd numbers.

1. 4
2. 6
3. 3
4. 5

2. By which smallest number 48 must be divided so as to make it a perfect square ?

1. 3
2. 6
3. 4
4. 2

3. By which smallest number 90 must be multiplied so as to make it a perfect square ?

1. 2
2. 5
3. 3
4. 10

4. How many natural numbers lie between 9² and 10²?

1. 19
2. 18
3. 17
4. 15

5. How many non square numbers lie between 11² and 12²?

1. 23
2. 22
3. 20
4. 21

6. How many numbers lie between square of 12 and 13?

1. 23
2. 22
3. 24
4. 21

7. In a right angle triangle ABC, right angled at B, AB=6cm, BC=8cm ,then AC=..........

1. 12
2. 21
3. 14
4. 10

8. The perfect square number between 30 and 40 is :

1. 39
2. 36
3. 32
4. 35

9. The square of 1.2 is

1. 1.44
2. 14.4
3. 2.4
4. 144

10. The square of 23 is :

1. 526
2. 46
3. 429
4. 529

11. The square of -9 is

1. 81
2. 18
3. -18
4. -81

12. The square of which of the following would be even number?

1. 7779
2. 1057
3. 131
4. 2826

13. The square of which of the following would be odd number?

1. 272
2. 1234
3. 7928
4. 431

14. The square root of 1.21 is

1. 11
2. 21
3. 2.1
4. 1.1

15. The square root of 12.25 is

1. 2.5
2. 35
3. 25
4. 3.5