Square Root Quizs Question

Q 1. Square root of 21 ?
A. 1.532
B. 1.632
C. 1.732
D. 1.832

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Answer:-C. 1.732

Q 2. The area of a square playground in 256.6404 square metres. Find the length of one side of the playground.
A. 16.02 metres
B. 17.02 metres
C. 18.02 metres
D. 19.02 metres

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Answer:-A. 16.02 metres

Q 3. What is the square root of 14?
A. 3.441
B. 3.541
C. 3.641
D. 3.741

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Answer:-D. 3.741

Q 4. Which of the following numbers are squares of even numbers?
A. 324
B. 6561
C. 4489
D. 373758

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Answer:-A. 324

Q 5.What will be the square root of 26?
A. 5.099
B. 5.199
C. 5.299
D. 5.399

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Answer:-A. 5.099

Q 6. Express the following as the sum of two consecutive integers: 19²
A. 180 + 181
B. 60 + 61
C. 84 + 85
D. 220 + 221

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Answer:-A. 180 + 181

Q 7. Find the least must be added to 7900 to obtain a perfect square.
A. 67
B. 87
C. 97
D. 77

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Answer:-D. 77

Q 8. Square root of negative 1?
A. i
B. 1
C. 0
D. -1

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Answer:-A. i

Q 9. Find the square root of 7 correct upto two decimal places.
A. 2.65
B. 2.75
C. 2.85
D. 2.95

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Answer:-A. 2.65

Q 10. Find the square root of 60?
A. 7.945
B. 7.845
C. 7.745
D. 7.645

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Answer:-C. 7.745

Q 11. A welfare association collected $202500 as a donation from the residents. If each paid as many rupees as there were residents, find the number of residents.
A. 480
B. 470
C. 460
D. 450

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Answer:-D. 450

Q 12. Find the square root 2.
A. 1.314
B. 1.414
C. 1.514
D. 1.614

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Answer:-B. 1.414

Q 13. Find the square roots of 9216 by the Prime factorisation method.
A. 96
B. 106
C. 116
D. 126

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Answer:-A. 96

Q 14. Find square root of 324.
A. 18
B. 16
C. 14
D. 22

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Answer:-A. 18

Q 15. What is the square root of 96?
A. 9.99
B. 9.89
C. 9.79
D. 9.69

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Answer:-C. 9.79

Q 16. Find the smallest number by which 180 must be multiplied so that it becomes a perfect square. Also find the square root of the perfect square so obtained.
A. 50
B. 40
C. 30
D. 20

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Answer:-C. 30

Q 17. Square root of 35?
A. 5.916
B. 5.816
C. 5.716
D. 5.616

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Answer:-A. 5.916

Q 18. Find square root of 89.
A. 9.333
B. 9.433
C. 9.533
D. 9.633

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Answer:-B. 9.433

Q 19. Find the smallest number by which 396 must be multiplied so that the product becomes a perfect square.
A. 13
B. 19
C. 16
D. 11

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Answer:-D. 11

Q 20. What is the square root of 64 by prime factorization?
A. 9.4
B. 8
C. 8.4
D. 9.4

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Answer:-B. 8

Q 21. Find the square root of 98.
A. 9.899
B. 9.799
C. 9.699
D. 9.599

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Answer:-A. 9.899

Q 22. A PT teacher wants to arrange maximum possible number of 6000 students in a field such that the number of rows is equal to the number of columns. Find the number of rows if 71 were left out after arrangement.
A. 71 rows
B. 73 rows
C. 77 rows
D. 69 rows

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Answer:-C. 77 rows

Q 23. Find square root of 1000 by prime factorization.
A. 100
B. 25
C. 31.622
D. 36.422

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Answer:-C. 31.622

Q 24. Find the square root of 58 upto three decimal points?
A. 7.715
B. 7.615
C. 7.815
D. 7.915

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Answer:-B. 7.615

Q 25. Find the square roots of 169 by the method of repeated subtraction.
A. 13
B. 17
C. 19
D. 21

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Answer:-A. 13

Q 26. 225 square root?
A. 13
B. 15
C. 17
D. 19

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Answer:-B. 15

Q 27. What square root of 37 upto two decimal points?
A. 6.08
B. 6.18
C. 6.19
D. 6.09

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Answer:-A. 6.08

Q 28. Find square root of 3 up to three decimal places.
A. 1.732
B. 1.832
C. 1.933
D. 1.739

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Answer:-A. 1.732

Q 29. What is the square root of 81?
A. 13
B. 11
C. 9
D. 8

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Answer:-C. 9

Q 30. Find the square root of 180.
A. 13.416
B. 14.416
C. 15.416
D. 16.416

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Answer:-A. 13.416

Q 31. What is the square root of 68?
A. 8.546
B. 8.446
C. 8.346
D. 8.246

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Answer:-D. 8.246

Q 32. Find the square root of 576.
A. 23
B. 24
C. 26
D. 27

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Answer:-B.24