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1. Which of the following is not a square number? (a) 4 (b) 9 (c) 16 (d) 24
A. A
B. B
C. C
D. D
2. The square of 23 is : (a) 529 (b) 526 (c) 46 (d) 429
A. A
B. B
C. C
D. D
3. The square of which of the following would be even number? (a) 2826 (b) 7779 (c) 1057 (d) 131
A. A
B. B
C. C
D. D
4. The square of which of the following would be odd number? (a) 431 (b) 272 (c) 1234 (d) 7928
A. A
B. B
C. C
D. D
5. Which of the following is a perfect square ? (a) 45 (b) 81 (c) 18 (d) 54
A. A
B. B
C. C
D. D
6. What will be the “ one's digit” in the square of 1234 ? (a) 6 (b) 2 (c) 8 (d) 9
A. A
B. B
C. C
D. D
7. What will be the number of zeros in the square of 400 ? (a) 5 (b) 1 (c) 3 (d) 4
A. A
B. B
C. C
D. D
8. The perfect square number between 30 and 40 is : (a) 35 (b) 39 (c) 36 (d) 32
A. A
B. B
C. C
D. D
9. The square of -9 is (a) -81 (b) 81 (c) 18 (d) -18
A. A
B. B
C. C
D. D
10. The square root of 6400 is (a) 80 (b) 81 (c) 32 (d) 23
A. A
B. B
C. C
D. D
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
A. A
B. B
C. C
D. D
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
A. A
B. B
C. C
D. D
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
A. A
B. B
C. C
D. D
14. What could be the possible “one's digit” of the square root of 625? (a) 5 (b) 0 (c) 4 (d) 8
A. A
B. B
C. C
D. D
15. Which is the smallest three-digit perfect square? (a) 100 (b) 101 (c) 121 (d) 144
A. A
B. B
C. C
D. D
16. Which is the greatest three-digit perfect square? (a) 999 (b) 961 (c) 962 (d) 970
A. A
B. B
C. C
D. D
17. Which is the greatest 4-digit perfect square? (a) 9999 (b) 9990 (c) 9800 (d) 9801
A. A
B. B
C. C
D. D
18. Which is the smallest 4-digit perfect square? (a) 1024 (b) 1025 (c) 1000 (d) 1016
A. A
B. B
C. C
D. D
19. What will be the number of digits in the square root of 25600? (a) 3 (b) 2 (c) 5 (d) 4
A. A
B. B
C. C
D. D
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