EduSahara™ Assignment
Name : Cubes and Cube Roots
Chapter : Square Root and Cube Root
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
Find the cube root of
8000
(i)
23
(ii)
20
(iii)
17
(iv)
403
(v)
400
Question
2
2.
Find the cube of
21
(i)
9261
(ii)
441
(iii)
9264
(iv)
9258
(v)
444
Question
3
3.
Find the value of
15
3
−
14
3
(i)
631
(ii)
630
(iii)
632
(iv)
633
(v)
629
Question
4
4.
Find the value of
9
3
+
8
3
(i)
1241
(ii)
1243
(iii)
1242
(iv)
1238
(v)
1240
Question
5
5.
Which of the following is a perfect cube?
(i)
127
(ii)
342
(iii)
8
(iv)
65
(v)
727
Question
6
6.
Which of the following is not a perfect cube?
(i)
343
(ii)
125
(iii)
512
(iv)
729
(v)
219
Question
7
7.
The smallest number by which 2916 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
0
(iii)
3
(iv)
1
(v)
4
Question
8
8.
The smallest number by which 11664 must be divided so that the quotient is a perfect cube is?
(i)
4
(ii)
0
(iii)
2
(iv)
1
(v)
3
Question
9
9.
Find the
cube root
of
8
(i)
0
(ii)
4
(iii)
2
(iv)
1
(v)
3
Question
10
10.
Find the
cube root
of
125
27
(i)
1
(ii)
5
(iii)
7
3
(iv)
5
3
Question
11
11.
Find the cube root of
19683
(i)
729
(ii)
732
(iii)
27
(iv)
24
(v)
30
Question
12
12.
Find the cube of
8
(i)
67
(ii)
515
(iii)
64
(iv)
512
(v)
509
Question
13
13.
Which of the following is a perfect cube?
(i)
125
(ii)
345
(iii)
999
(iv)
730
(v)
214
Question
14
14.
Which of the following is not a perfect cube?
(i)
125
(ii)
1000
(iii)
64
(iv)
512
(v)
346
Question
15
15.
The smallest number by which 32 must be multiplied so that the product is a perfect cube is?
(i)
3
(ii)
2
(iii)
1
(iv)
4
(v)
0
Question
16
16.
The smallest number by which 8192 must be divided so that the quotient is a perfect cube is?
(i)
0
(ii)
4
(iii)
3
(iv)
1
(v)
2
Question
17
17.
Find the
cube root
of
27
(i)
1
(ii)
2
(iii)
3
(iv)
4
(v)
5
Question
18
18.
Find the
cube root
of
1
27
(i)
(
-1
3
)
(ii)
1
5
(iii)
1
(iv)
1
3
Assignment Key
1) (ii)
2) (i)
3) (i)
4) (i)
5) (iii)
6) (v)
7) (i)
8) (iii)
9) (iii)
10) (iv)
11) (iii)
12) (iv)
13) (i)
14) (v)
15) (ii)
16) (v)
17) (iii)
18) (iv)
