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
12167
(i)
532
(ii)
23
(iii)
26
(iv)
20
(v)
529
Question
2
2.
Find the cube of
5
(i)
28
(ii)
122
(iii)
25
(iv)
128
(v)
125
Question
3
3.
Find the value of
16
3
−
15
3
(i)
720
(ii)
723
(iii)
721
(iv)
719
(v)
722
Question
4
4.
Find the value of
14
3
+
13
3
(i)
4942
(ii)
4938
(iii)
4941
(iv)
4940
(v)
4943
Question
5
5.
Which of the following is a perfect cube?
(i)
126
(ii)
66
(iii)
1000
(iv)
511
(v)
726
Question
6
6.
Which of the following is not a perfect cube?
(i)
515
(ii)
343
(iii)
216
(iv)
1000
(v)
8
Question
7
7.
The smallest number by which 576 must be multiplied so that the product is a perfect cube is?
(i)
3
(ii)
0
(iii)
1
(iv)
2
(v)
4
Question
8
8.
The smallest number by which 2187 must be divided so that the quotient is a perfect cube is?
(i)
1
(ii)
4
(iii)
2
(iv)
3
(v)
0
Question
9
9.
Find the
cube root
of
27
(i)
3
(ii)
4
(iii)
5
(iv)
0
(v)
2
Question
10
10.
Find the
cube root
of
125
64
(i)
5
2
(ii)
7
4
(iii)
5
6
(iv)
3
4
(v)
5
4
Question
11
11.
Find the cube root of
1000
(i)
7
(ii)
13
(iii)
10
(iv)
103
(v)
100
Question
12
12.
Find the cube of
17
(i)
4916
(ii)
292
(iii)
289
(iv)
4913
(v)
4910
Question
13
13.
Which of the following is a perfect cube?
(i)
512
(ii)
214
(iii)
999
(iv)
731
(v)
9
Question
14
14.
Which of the following is not a perfect cube?
(i)
343
(ii)
729
(iii)
128
(iv)
216
(v)
1000
Question
15
15.
The smallest number by which 243 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
1
(iii)
0
(iv)
4
(v)
3
Question
16
16.
The smallest number by which 5000 must be divided so that the quotient is a perfect cube is?
(i)
6
(ii)
3
(iii)
4
(iv)
5
(v)
8
Question
17
17.
Find the
cube root
of
-64
(i)
-6
(ii)
-3
(iii)
-2
(iv)
-4
(v)
-5
Question
18
18.
Find the
cube root
of
(
-125
64
)
(i)
(
-5
4
)
(ii)
(
-3
4
)
(iii)
(
-5
2
)
(iv)
(
-7
4
)
(v)
(
-5
6
)
Assignment Key
1) (ii)
2) (v)
3) (iii)
4) (iii)
5) (iii)
6) (i)
7) (i)
8) (iv)
9) (i)
10) (v)
11) (iii)
12) (iv)
13) (i)
14) (iii)
15) (v)
16) (iv)
17) (iv)
18) (i)
