BrainUp Kids
Question Paper
Class / Subject: Class 8 (CBSE) · Mathematics
Chapter: Chapter 1 — Chapter 1: A Square and A Cube
Time Allowed: 15 minutes
Max Marks: 6
Instructions: All questions are compulsory. Each question carries 1 mark. Choose the correct option for each question.
1. The square of 9 is: [1]
(A) 81
(B) 18
(C) 72
(D) 90
2. A perfect square can never end in the digit: [1]
(A) 7
(B) 4
(C) 9
(D) 1
3. The difference between the 4th (16) and 5th (25) perfect squares is: [1]
(A) 9
(B) 7
(C) 5
(D) 11
4. The cube of 4 is: [1]
(A) 64
(B) 16
(C) 12
(D) 48
5. If a cube's side length doubles, its volume becomes: [1]
(A) 8 times larger
(B) 2 times larger
(C) 4 times larger
(D) unchanged
6. The cube of an odd number is always: [1]
(A) odd
(B) even
(C) zero
(D) negative