Test on Squares and Square roots Class 8 Mathematics
Class 8 Mathematics Test Chapter 1: Squares and Square Roots Time: 1 Hour Maximum Marks: 30 Section A: MCQs (1 × 6 = 6 marks) 1. Which of the following is a perfect square? (a) 154 (b) 256 (c) 720 (d) 243 2. A number ending with which digit cannot be a perfect square? (a) 4 (b) 6 (c) 8 (d) 0 3. The square root of 121 is: (a) 9 (b) 10 (c) 11 (d) 12 4. The square of an odd number is always: (a) even (b) odd (c) multiple of 10 (d) zero 5. Which of the following numbers is NOT a perfect square? (a) 144 (b) 169 (c) 200 (d) 225 6. The smallest number by which 9408 must be divided to make it a perfect square is: (a) 2 (b) 3 (c) 5 (d) 7 Section B: Assertion–Reason (4 marks) 7. Assertion: Squares of even numbers are always even. Reason: Even numbers are divisible by 2. 8. Assertion: A number ending in 7 cannot be a perfect square. Reason: Squares only end in 0,1,4,5,6,9. Section C: Short Answer (10 marks) 9. Check whether 720 is a perfect square. 10. Find the square root of 1156 by prime factor...
