Class 8 Cubes And Cube Roots CBSE Questions & Answers

Class 8 · Cubes And Cube Roots

This is Mathematics Class 8 Cubes and Cube Roots CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

Find the one’s digit of the cube of 2452.

A
7
B
8
Correct
C
6
D
5

Find the one’s digit of the cube of 453.

A
9
B
0
C
7
Correct
D
8

Find the value of\({{\text{7}}^{\text{3}}}--{\text{ }}{{\text{6}}^{\text{3}}}\).

A
220
B
343
C
125
D
127
Correct

Find the value of\({{\text{8}}^{\text{3}}}--{\text{ }}{{\text{7}}^{\text{3}}}\).

A
225
B
300
C
169
Correct
D
200

Find the value of\({\text{1}}{0^{\text{3}}}--{\text{ }}{{\text{9}}^{\text{3}}}\).

A
214
B
271
Correct
C
220
D
230

Find the smallest natural number by which 392 must be multiplied so that the product is a perfect cube.

A
2
B
3
C
7
Correct
D
4

By which smallest natural number should 53240 be divided so that the quotient is a perfect cube?

A
9
B
4
C
1
D
5
Correct

By which smallest natural number should 1188 be divided so that the quotient is a perfect cube?

A
33
B
22
C
11
D
44
Correct

Find the smallest number by which 68600 must be multiplied to get a perfect cube.

A
5
Correct
B
none of these
C
7
D
2

Find the smallest number by which 2700 must be multiplied to get a perfect cube.

A
3
B
10
Correct
C
2
D
5

Find the smallest number by which 36000 must be multiplied to get a perfect cube.

A
6
Correct
B
3
C
5
D
2

Find the smallest number by which 21600 must be multiplied to get a perfect cube.

A
3
B
5
C
10
Correct
D
2

By which smallest natural number should 135 be divided so that the quotient is a perfect cube?

A
9
B
2
C
3
D
5
Correct

By which smallest natural number should 128 be divided so that the quotient is a perfect cube?

A
6
B
2
Correct
C
4
D
3

Find the cube root of 8000.

A
10
B
8
C
2
D
20
Correct