Question Paper
Class / Subject: Class 8 (ICSE) · Mathematics
Chapter: Chapter 3 — Chapter 3: Squares and Square Roots
Time Allowed: 32 minutes
Max Marks: 16
1. What is 5²? [1]
(A) 25
(B) 10
(C) 5
(D) 52
2. What is √25? [1]
(A) 5
(B) 25
(C) 10
(D) 2.5
3. What is 7²? [1]
(A) 49
(B) 14
(C) 7
(D) 72
4. What is √81? [1]
(A) 9
(B) 81
(C) 8
(D) 18
5. How can we find square roots of large numbers? [1]
(A) Prime factorisation or long division
(B) Only guessing
(C) Ignoring the number
(D) Only addition
6. What is the square root the inverse of? [1]
(A) Squaring
(B) Adding
(C) Subtracting
(D) Dividing
7. Why are squares and roots useful? [1]
(A) For solving geometry problems like finding side lengths
(B) No reason
(C) They're not useful
(D) Only for tests
8. What is 10²? [1]
(A) 100
(B) 20
(C) 10
(D) 1000
9. What is 5²? [1]
(A) 25
(B) 10
(C) 5
(D) 52
10. What is √25? [1]
(A) 5
(B) 25
(C) 10
(D) 2.5
11. What is 7²? [1]
(A) 49
(B) 14
(C) 7
(D) 72
12. What is √81? [1]
(A) 9
(B) 81
(C) 8
(D) 18
13. How can we find square roots of large numbers? [1]
(A) Prime factorisation or long division
(B) Only guessing
(C) Ignoring the number
(D) Only addition
14. What is the square root the inverse of? [1]
(A) Squaring
(B) Adding
(C) Subtracting
(D) Dividing
15. Why are squares and roots useful? [1]
(A) For solving geometry problems like finding side lengths
(B) No reason
(C) They're not useful
(D) Only for tests
16. What is 10²? [1]
(A) 100
(B) 20
(C) 10
(D) 1000