# MCQ Questions for Class 8 Maths Chapter 7 Cubes and Cube Roots with Answers

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

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

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

Question 4.
The symbol for cube root is __________.
(a) √3
(b) ∛
(c) 2√3
(d) 3√3

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

Question 6.
The numbers 1, 8, 27… are ______.
(a) negative numbers
(b) cube numbers
(c) square numbers
(d) none of these

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

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

Question 9.
The value of 53 is __________.
(a) 125
(b) 15
(c) 10
(d) 75

Question 10.
If (2744)$$\frac { 1 }{ 3 }$$ = 2p+2, then the value of P is
(a) 3
(b) 6
(c) 2
(d) 8

Question 11.
Ones place digit in the cube of 5832 is ______.
(a) 5
(b) 7
(c) 2
(d) 8

Question 12.
Find the cube root of 0.001331.
(a) 0.111
(b) 0.101
(c) 0.11
(d) none of these

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

Question 14.
The cube root of the 216 × (−32) × 54 is ________
(a) -36
(b) -72
(c) -48
(d) none of these

Question 15.
The cube of an odd number is always __________.
(a) odd number
(b) even number
(c) prime number
(d) none of these

Question 16.
Express 63 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: (b) 31 + 33 + 35 + 37 + 39 + 41

Question 17.
The cube of 23 is ___________
(a) 2304
(b) 23
(c) 12167
(d) 529

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

Question 19.
The expansion of a3 is ___________.
(a) 3 × a
(b) a + a + a
(c) 3 × 3 × 3
(d) a × a × a

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

Question 21.
Each prime factor appears _________ times in its cube?
(a) 2
(b) 3
(c) 1
(d) 4

Question 22.
What is the cube of double of ‘a’?
(a) 16a3
(b) 2a
(c) 8a3
(d) 4a2