Squares and Square Roots – Class 8/MCQ

CBSE CLASS 8 MATHEMATICS
Squares and Square Roots – Chapter 6/ MCQ
Multiple Choice Questions.

1. Which of the following numbers is a perfect square?
A. 1057
B. 23453
C. 58081
2. If a number has 1 or 9 in the units place, then its square ends in ————
A. 1
B. 6
C. 9
3. If a number contains 2 zeros at the end, how many zeros will its square have?
A. 2
B. 3
C. 4
4. The squares of even numbers is always ————–
A. Even
B. Odd
C. Prime
5. The number of zeros in the square of 60 is ————
A. 1
B. 2
C. 3
6. Write a Pythagorean triplet whose one member is 6.
A. 6, 8, 10
B. 2, 4, 6
C. 6, 7, 8
7. Area of a square is 144 sq. cm. What will be the side of the square?
A. 11
B. 12
C. 13
8. What is the square root of 196?
A. 13
B. 14
C. 15
9. Which is the smallest 3-digit perfect square number?
A. 100
B. 101
C. 102
10. Which is the greatest 4-digit perfect square number?
A. 9800
B. 9801
C. 9802
11. Area of a square plot is 2304 sq m. Find the side of the square plot?
A. 44
B. 48
C. 54
12. There are 2401 students in a school. P.T.teacher wants them to stand in rows and columns such that the number of rows is equal to the number of columns. Find the number of rows?
A. 39
B. 41
C. 49
13. Find the length of the side of a square whose area is 441 square metre?
A. 39
B. 21
C. 31
14. The square root of the decimal number 51.84 is ————-
A. 7.2
B. 0.72
C. 72
15. How many numbers lie between squares of 25 and 26?
A. 40
B. 50
C. 60

ANSWERS:

1. 58081

2. 1

3. 4

4. Even

5. 2

6. 6, 8, 10

7. 12 cm

8. 14

9. 100

10. 9801

11. 48

12. 49

13. 21

14. 7.2

15. 50