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CBSE Board Practice
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Class VI
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Class X
CBSE Grade VIII - Cubes and Cube Roots
Question
1
1.
The smallest number by which 2048 must be multiplied so that the product is a perfect cube is?
3
2
1
4
0
Question
2
2.
Find the cube root of
4096
16
259
256
13
19
Question
3
3.
Find the cube of
29
24389
24392
24386
841
844
Question
4
4.
Which of the following is not a perfect cube?
343
216
8
515
125
Question
5
5.
Which of the following is a perfect cube?
343
730
127
998
7
Question
6
6.
Find the value of
21
3
+
20
3
17261
17260
17259
17262
17264
Question
7
7.
Find the
cube root
of
1
64
(
-1
4
)
1
4
1
6
1
2
3
4
Question
8
8.
The smallest number by which 1024 must be divided so that the quotient is a perfect cube is?
2
4
1
3
0
Question
9
9.
Find the
cube root
of
-27
-4
0
-3
-5
-2
Question
10
10.
Find the value of
16
3
−
15
3
721
722
720
723
718
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