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Squares and Square Roots, Chapter 6 Class 8 Maths MCQs

1. Which of the following is not a square number?

(a) 4

(b) 9

(c) 16

(d) 24

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Question 1 of 20

2. The square of 23 is :

(a) 529

(b) 526

(c) 46

(d) 429

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Question 2 of 20

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

(a) 2826

(b) 7779

(c) 1057

(d) 131

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Question 3 of 20

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

(a) 431

(b) 272

(c) 1234

(d) 7928

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Question 4 of 20

5. Which of the following is a perfect square ?

(a) 45

(b) 81

(c) 18

(d) 54

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Question 5 of 20

6. What will be the “ one's digit” in the square of 1234 ?

(a) 6

(b) 2

(c) 8

(d) 9

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Question 6 of 20

7. What will be the number of zeros in the square of 400 ?

(a) 5

(b) 1

(c) 3

(d) 4

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Question 7 of 20

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

(a) 35

(b) 39

(c) 36

(d) 32

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Question 8 of 20

9. The square of -9 is

(a) -81

(b) 81

(c) 18

(d) -18

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Question 9 of 20

10. The square root of 6400 is

(a) 80

(b) 81

(c) 32

(d) 23

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Question 10 of 20

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

(a) 10

(b) 2

(c) 5

(d) 3

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Question 11 of 20

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

(a) 2

(b) 3

(c) 6

(d) 4

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Question 12 of 20

13. Which smallest number should be added to 80 so as to make it a perfect square ?

(a) 2

(b) 3

(c) 1

(d) 4

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Question 13 of 20

14. What could be the possible “one's digit” of the square root of 625?

(a) 5

(b) 0

(c) 4

(d) 8

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Question 14 of 20

15. Which is the smallest three-digit perfect square?

(a) 100

(b) 101

(c) 121

(d) 144

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Question 15 of 20

16. Which is the greatest three-digit perfect square?

(a) 999

(b) 961

(c) 962

(d) 970

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Question 16 of 20

17. Which is the greatest 4-digit perfect square?

(a) 9999

(b) 9990

(c) 9800

(d) 9801

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Question 17 of 20

18. Which is the smallest 4-digit perfect square?

(a) 1024

(b) 1025

(c) 1000

(d) 1016

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Question 18 of 20

19. What will be the number of digits in the square root of 25600?

(a) 3

(b) 2

(c) 5

(d) 4

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Question 19 of 20

20. The square root of 12.25 is _______________ .

(a) 3.5

(b) 2.5

(c) 35

(d) 25

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Question 20 of 20