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
1728
(i)
147
(ii)
15
(iii)
9
(iv)
12
(v)
144
Question
2
2.
Find the cube of
25
(i)
15625
(ii)
628
(iii)
625
(iv)
15622
(v)
15628
Question
3
3.
Find the value of
30
3
−
29
3
(i)
2608
(ii)
2612
(iii)
2610
(iv)
2613
(v)
2611
Question
4
4.
Find the value of
30
3
+
29
3
(i)
51388
(ii)
51386
(iii)
51389
(iv)
51392
(v)
51390
Question
5
5.
Which of the following is a perfect cube?
(i)
216
(ii)
998
(iii)
730
(iv)
67
(v)
124
Question
6
6.
Which of the following is not a perfect cube?
(i)
64
(ii)
729
(iii)
128
(iv)
512
(v)
27
Question
7
7.
The smallest number by which 1372 must be multiplied so that the product is a perfect cube is?
(i)
4
(ii)
3
(iii)
2
(iv)
1
(v)
0
Question
8
8.
The smallest number by which 8192 must be divided so that the quotient is a perfect cube is?
(i)
4
(ii)
1
(iii)
2
(iv)
0
(v)
3
Question
9
9.
Find the
cube root
of
-125
(i)
-5
(ii)
-8
(iii)
-6
(iv)
-4
(v)
-2
Question
10
10.
Find the
cube root
of
(
-125
64
)
(i)
(
-3
4
)
(ii)
(
-5
4
)
(iii)
(
-7
4
)
(iv)
(
-5
6
)
(v)
(
-5
2
)
Assignment Key
1) (iv)
2) (i)
3) (v)
4) (iii)
5) (i)
6) (iii)
7) (iii)
8) (iii)
9) (i)
10) (ii)