# MCQ Questions for Class 8 Maths Chapter 6 Squares and Square Roots with Answers

Students are advised to solve the Squares and Square Roots Multiple Choice Questions of Class 8 Maths to know different concepts. Practicing the MCQ Questions on Squares and Square Roots Class 8 with answers will boost your confidence thereby helping you score well in the exam.

Explore numerous MCQ Questions of Squares and Square Roots Class 8 with answers provided with detailed solutions by looking below.

Question 1.

The square root of 169 is

(a) 13

(b) 1.3

(c) -1.3

(d) \(\frac { 13 }{ 10 }\)

## Answer

Answer: (a) 13

Question 2.

What could be the possible “one’s digit” of the square root of 625?

(a) 5

(b) 0

(c) 4

(d) 8

## Answer

Answer: (a) 5

Question 3.

Sum of squares of two numbers is 145. If square root of one number is 3, find the other number.

(a) 136

(b) 9

(c) 64

(d) 8

## Answer

Answer: (d) 8

Question 4.

The square root of 1.21 is

(a) 1.1

(b) 11

(c) 21

(d) 2.1

## Answer

Answer: (a) 1.1

Question 5.

How many numbers lie between square of 12 and 13

(a) 22

(b) 23

(c) 24

(d) 25

## Answer

Answer: (c) 24

Question 6.

Which is the greatest three-digit perfect square?

(a) 999

(b) 961

(c) 962

(d) 970

## Answer

Answer: (b) 961

Question 7.

How many natural numbers lie between 9^{2} and 10^{2}?

(a) 15

(b) 19

(c) 18

(d) 17

## Answer

Answer: (c) 18

Question 8.

The largest perfect square between 4 and 50 is

(a) 25

(b) 36

(c) 49

(d) 45

## Answer

Answer: (c) 49

Question 9.

Sum of squares of two numbers is 145. If square root of one number is 3, find the other number.

(a) 136

(b) 8

(c) 9

(d) 64

## Answer

Answer: (b) 8

Question 10.

Find the square of 39.

(a) 1500

(b) 78

(c) 1521

(d) none of these

## Answer

Answer: (c) 1521

Question 11.

Find the least number that must be subtracted from 5607 so as to get a perfect square.

(a) 130

(b) 135

(c) 131

(d) none of these

## Answer

Answer: (c) 131

Question 12.

What is smallest number with which 5400 may be multiplied so that the product is perfect cube?

(a) 5

(b) 3

(c) 4

(d) 6

## Answer

Answer: (a) 5

Question 13.

What is the length of the side of a square whose area is 441 cm^{2} ?

(a) 21

(b) 22

(c) 20

(d) 12

## Answer

Answer: (a) 21

Question 14.

Which of the following are the factors of ac+ ab + bc + ca

(a) (a – c)(a – b)

(b) (a + c)(a + b)

(c) (a – c)(a + b)

(d) (a + c)(a – b)

## Answer

Answer: (b) (a + c)(a + b)

Question 15.

Find the greatest 4-digit number which is a perfect square.

(a) 9990

(b) 9801

(c) 9999

(d) none of these

## Answer

Answer: (b) 9801

Question 16.

Without doing any calculation, find the numbers which are surely perfect squares.

(a) 441

(b) 408

(c) 153

(d) 257

## Answer

Answer: (a) 441

Question 17.

Find the perfect square numbers between 30 and 40.

(a) 936

(b) 49

(c) 25

(d) none of these

## Answer

Answer: (a) 936

Question 18.

Without adding,find the sum of 1+3+5+7+9+11+13+15+17+19

(a) 100

(b) 64

(c) 49

(d) 81

## Answer

Answer: (a) 100

Question 19.

What will be the number of digits in the square root of 1296?

(a) 2

(b) 3

(c) 1

(d) 4

## Answer

Answer: (a) 2

Question 20.

If a number has 1 or 9 in the unit’s place, then it’s square ends in ________.

(a) 3

(b) 9

(c) 1

(d) none of these

## Answer

Answer: (c) 1

Question 21.

The square of 23 is :

(a) 529

(b) 526

(c) 461

(d) 429

## Answer

Answer: (a) 529

Question 22.

Which of the following would end with digit 1?

(a) 123^{2}

(b) 161^{2}

(c) 77^{2}

(d) 82^{2}

## Answer

Answer: (b) 161^{2}

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