EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Cubes and Cube Roots
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Which of the following is a perfect cube?
(i)
25
(ii)
63
(iii)
1003
(iv)
344
(v)
729
Question
2
2.
Which of the following is not a perfect cube?
(i)
1000
(ii)
219
(iii)
27
(iv)
8
(v)
512
Question
3
3.
Find the
cube root
of
1
64
(i)
3
4
(ii)
1
6
(iii)
1
4
(iv)
1
2
(v)
(
-1
4
)
Question
4
4.
Find the
cube root
of
8
(i)
1
(ii)
2
(iii)
3
(iv)
0
(v)
5
Question
5
5.
Find the value of
27
3
−
26
3
(i)
2104
(ii)
2108
(iii)
2110
(iv)
2107
(v)
2106
Question
6
6.
Find the value of
14
3
+
13
3
(i)
4943
(ii)
4942
(iii)
4938
(iv)
4941
(v)
4940
Question
7
7.
Find the value of
11
3
−
10
3
(i)
328
(ii)
333
(iii)
331
(iv)
332
(v)
330
Question
8
8.
Find the
cube root
of
-8
(i)
-2
(ii)
-5
(iii)
1
(iv)
-3
(v)
-1
Question
9
9.
Find the value of
18
3
+
17
3
(i)
10743
(ii)
10746
(iii)
10744
(iv)
10745
(v)
10748
Question
10
10.
Which of the following is not a perfect cube?
(i)
11
(ii)
343
(iii)
1000
(iv)
512
(v)
729
Question
11
11.
The smallest number by which 864 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
4
(iii)
1
(iv)
3
(v)
0
Question
12
12.
Find the
cube root
of
(
-8
27
)
(i)
(
-4
3
)
(ii)
0
(iii)
(
-2
3
)
(iv)
(
-2
5
)
(v)
-2
Question
13
13.
Find the
cube root
of
(
-27
64
)
(i)
(
-3
2
)
(ii)
(
-1
2
)
(iii)
(
-5
4
)
(iv)
(
-3
4
)
(v)
(
-1
4
)
Question
14
14.
Which of the following is a perfect cube?
(i)
124
(ii)
998
(iii)
30
(iv)
343
(v)
9
Question
15
15.
Find the cube of
13
(i)
2197
(ii)
2200
(iii)
169
(iv)
172
(v)
2194
Question
16
16.
Find the value of
29
3
−
28
3
(i)
2434
(ii)
2437
(iii)
2436
(iv)
2438
(v)
2440
Question
17
17.
Find the cube root of
19683
(i)
732
(ii)
30
(iii)
27
(iv)
729
(v)
24
Question
18
18.
Find the cube of
18
(i)
324
(ii)
5835
(iii)
5832
(iv)
5829
(v)
327
Question
19
19.
Which of the following is not a perfect cube?
(i)
64
(ii)
125
(iii)
216
(iv)
1003
(v)
343
Question
20
20.
The smallest number by which 16875 must be divided so that the quotient is a perfect cube is?
(i)
2
(ii)
4
(iii)
8
(iv)
5
(v)
6
Question
21
21.
Find the cube root of
19683
(i)
30
(ii)
729
(iii)
27
(iv)
24
(v)
732
Question
22
22.
The smallest number by which 32 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
3
(iii)
1
(iv)
4
(v)
0
Question
23
23.
The smallest number by which 11664 must be divided so that the quotient is a perfect cube is?
(i)
1
(ii)
4
(iii)
2
(iv)
3
(v)
0
Question
24
24.
The smallest number by which 648 must be divided so that the quotient is a perfect cube is?
(i)
3
(ii)
0
(iii)
2
(iv)
4
(v)
1
Question
25
25.
Which of the following is a perfect cube?
(i)
1001
(ii)
26
(iii)
343
(iv)
727
(v)
128
Assignment Key
1) (v)
2) (ii)
3) (iii)
4) (ii)
5) (iv)
6) (iv)
7) (iii)
8) (i)
9) (iv)
10) (i)
11) (i)
12) (iii)
13) (iv)
14) (iv)
15) (i)
16) (ii)
17) (iii)
18) (iii)
19) (iv)
20) (iv)
21) (iii)
22) (i)
23) (iii)
24) (i)
25) (iii)
