If you’re looking for a way to enhance your Class 8 Maths, then look no further than the NCERT MCQ Questions for Class 8 Maths Chapter 7 Cubes and Cube Roots Roots with Answers. The MCQ Questions for Class 8 Maths with Answers are aligned to all topics covered so it will be helpful when preparing for your exams, no matter what subject you’re studying! Don’t forget about scoring maximum points during exam preparation by using these free Class 8 Maths Chapter 7 Cubes and Cube Roots Objective Questions.

## Cubes and Cube Roots Class 8 MCQs Questions with Answers

What are you waiting for? Get all the answers to Class 8 Maths Chapter 7 MCQs! It’s time that students power up and start practicing these MCQ Questions of Cubes and Cube Roots Class 8 with answers. The best way of doing so would be solving them yourself in order not only to know which answer is correct but also to understand why each solution works as well.

Question 1.

How many digits will be there in the cube root of 46656?

(a) 2

(b) 1

(c) 3

(d) 4

## Answer

Answer: (a) 2

Question 2.

Ones digit of cube of a number depends on the ________ of the number.

(a) tens digit

(b) ones digit

(c) hundred digit

(d) none of these

## Answer

Answer: (b) ones digit

Question 3.

What will be the unit digit of the cube root of a number ends with 8?

(a) 2

(b) 8

(c) 4

(d) 6

## Answer

Answer: (a) 2

Question 4.

The symbol for cube root is __________.

(a) √3

(b) ∛

(c) 2√3

(d) 3√3

## Answer

Answer: (b) ∛

Question 5.

The smallest natural number by which 704 must be divided to obtain a perfect cube is

(a) 22

(b) 12

(c) 11

(d) 13

## Answer

Answer: (c) 11

Question 6.

The numbers 1, 8, 27… are ______.

(a) negative numbers

(b) cube numbers

(c) square numbers

(d) none of these

## Answer

Answer: (b) cube numbers

Question 7.

If volume of cube is 4913cm³ then length of side of cube is

(a) 16 cm

(b) 17 cm

(c) 18 cm

(d) 19 cm

## Answer

Answer: (b) 17 cm

Question 8.

The square of a natural number subtracts from its cube comes 100. The number is __________.

(a) 2

(b) 3

(c) 5

(d) 1

## Answer

Answer: (c) 5

Question 9.

The value of 5^{3} is __________.

(a) 125

(b) 15

(c) 10

(d) 75

## Answer

Answer: (a) 125

Question 10.

If (2744)^{\(\frac { 1 }{ 3 }\)} = 2p+2, then the value of P is

(a) 3

(b) 6

(c) 2

(d) 8

## Answer

Answer: (b) 6

Question 11.

Ones place digit in the cube of 5832 is ______.

(a) 5

(b) 7

(c) 2

(d) 8

## Answer

Answer: (d) 8

Question 12.

Find the cube root of 0.001331.

(a) 0.111

(b) 0.101

(c) 0.11

(d) none of these

## Answer

Answer: (c) 0.11

Question 13.

If (504 + p) is a perfect cube number, whose cube root is p, then p = ______.

(a) 6

(b) 4

(c) 2

(d) 8

## Answer

Answer: (d) 8

Question 14.

The cube root of the 216 × (−32) × 54 is ________

(a) -36

(b) -72

(c) -48

(d) none of these

## Answer

Answer: (b) -72

Question 15.

The cube of an odd number is always __________.

(a) odd number

(b) even number

(c) prime number

(d) none of these

## Answer

Answer: (a) odd number

Question 16.

Express 6^{3} as the sum of odd numbers.

(a) 31 + 33 + 35 + 37 + 39 + 41 + 43

(b) 31 + 33 + 35 + 37 + 39 + 41

(c) 31 + 33 + 35 + 37 + 39 + 41 + 43 + 45

(d) none of these

## Answer

Answer: (b) 31 + 33 + 35 + 37 + 39 + 41

Question 17.

The cube of 23 is ___________

(a) 2304

(b) 23

(c) 12167

(d) 529

## Answer

Answer: (c) 12167

Question 18.

What will be the unit digit of the cube of a number ending with 6?

(a) 4

(b) 6

(c) 2

(d) 8

## Answer

Answer: (b) 6

Question 19.

The expansion of a^{3} is ___________.

(a) 3 × a

(b) a + a + a

(c) 3 × 3 × 3

(d) a × a × a

## Answer

Answer: (d) a × a × a

Question 20.

A natural number is said to be a perfect cube, if it is the cube of some _________.

(a) natural number

(b) square number

(c) cube number

(d) cuboid number

## Answer

Answer: (a) natural number

Question 21.

Each prime factor appears _________ times in its cube?

(a) 2

(b) 3

(c) 1

(d) 4

## Answer

Answer: (b) 3

Question 22.

What is the cube of double of ‘a’?

(a) 16a^{3}

(b) 2a

(c) 8a^{3}

(d) 4a^{2}

## Answer

Answer: (c) 8a^{3}

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