EduSahara™ Assignment
Name : Cubes and Cube Roots
Chapter : Square Roots and Cube Roots
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
Find the cube root of
9261
(i)
24
(ii)
21
(iii)
18
(iv)
444
(v)
441
Question
2
2.
Find the cube of
7
(i)
49
(ii)
52
(iii)
343
(iv)
346
(v)
340
Question
3
3.
Find the value of
24
3
−
23
3
(i)
1658
(ii)
1656
(iii)
1654
(iv)
1659
(v)
1657
Question
4
4.
Find the value of
10
3
+
9
3
(i)
1730
(ii)
1732
(iii)
1729
(iv)
1728
(v)
1726
Question
5
5.
Which of the following is a perfect cube?
(i)
30
(ii)
341
(iii)
215
(iv)
125
(v)
1001
Question
6
6.
Which of the following is not a perfect cube?
(i)
343
(ii)
729
(iii)
512
(iv)
64
(v)
219
Question
7
7.
The smallest number by which 256 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
3
(iii)
1
(iv)
4
(v)
0
Question
8
8.
The smallest number by which 10125 must be divided so that the quotient is a perfect cube is?
(i)
4
(ii)
2
(iii)
0
(iv)
1
(v)
3
Question
9
9.
Find the
cube root
of
-64
(i)
-4
(ii)
-5
(iii)
-3
(iv)
-7
(v)
-2
Question
10
10.
Find the
cube root
of
(
-1
8
)
(i)
(
-1
2
)
(ii)
-1
(iii)
(
-3
2
)
(iv)
(
-1
4
)
(v)
1
2
Assignment Key
1) (ii)
2) (iii)
3) (v)
4) (iii)
5) (iv)
6) (v)
7) (i)
8) (v)
9) (i)
10) (i)