EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Cubes and Cube Roots
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Find the
cube root
of
(
-1
8
)
(i)
(
-3
2
)
(ii)
(
-1
4
)
(iii)
1
2
(iv)
(
-1
2
)
(v)
-1
Question
2
2.
Find the cube root of
12167
(i)
529
(ii)
20
(iii)
532
(iv)
26
(v)
23
Question
3
3.
Which of the following is not a perfect cube?
(i)
343
(ii)
216
(iii)
729
(iv)
512
(v)
67
Question
4
4.
Which of the following is a perfect cube?
(i)
213
(ii)
67
(iii)
125
(iv)
28
(v)
999
Question
5
5.
Which of the following is not a perfect cube?
(i)
343
(ii)
11
(iii)
729
(iv)
125
(v)
27
Question
6
6.
The smallest number by which 128 must be divided so that the quotient is a perfect cube is?
(i)
0
(ii)
3
(iii)
1
(iv)
4
(v)
2
Question
7
7.
Find the cube of
28
(i)
787
(ii)
21952
(iii)
21949
(iv)
784
(v)
21955
Question
8
8.
Find the
cube root
of
27
(i)
4
(ii)
3
(iii)
5
(iv)
0
(v)
2
Question
9
9.
Find the
cube root
of
-27
(i)
-2
(ii)
0
(iii)
-3
(iv)
-6
(v)
-4
Question
10
10.
Find the cube of
27
(i)
19680
(ii)
19686
(iii)
732
(iv)
19683
(v)
729
Question
11
11.
The smallest number by which 10125 must be divided so that the quotient is a perfect cube is?
(i)
0
(ii)
1
(iii)
4
(iv)
2
(v)
3
Question
12
12.
Find the cube root of
6859
(i)
361
(ii)
19
(iii)
16
(iv)
364
(v)
22
Question
13
13.
Which of the following is a perfect cube?
(i)
216
(ii)
727
(iii)
30
(iv)
65
(v)
124
Question
14
14.
The smallest number by which 128 must be divided so that the quotient is a perfect cube is?
(i)
3
(ii)
1
(iii)
2
(iv)
0
(v)
4
Question
15
15.
Find the value of
23
3
+
22
3
(i)
22812
(ii)
22814
(iii)
22817
(iv)
22815
(v)
22816
Question
16
16.
Find the value of
16
3
−
15
3
(i)
718
(ii)
720
(iii)
721
(iv)
722
(v)
723
Question
17
17.
Find the value of
6
3
−
5
3
(i)
88
(ii)
92
(iii)
94
(iv)
91
(v)
90
Question
18
18.
Find the cube of
27
(i)
19683
(ii)
19680
(iii)
729
(iv)
19686
(v)
732
Question
19
19.
Find the
cube root
of
(
-27
8
)
(i)
(
-3
4
)
(ii)
(
-5
2
)
(iii)
-3
(iv)
(
-1
2
)
(v)
(
-3
2
)
Question
20
20.
Find the value of
11
3
+
10
3
(i)
2330
(ii)
2329
(iii)
2333
(iv)
2332
(v)
2331
Question
21
21.
The smallest number by which 864 must be multiplied so that the product is a perfect cube is?
(i)
0
(ii)
2
(iii)
1
(iv)
4
(v)
3
Question
22
22.
The smallest number by which 864 must be multiplied so that the product is a perfect cube is?
(i)
4
(ii)
3
(iii)
2
(iv)
1
(v)
0
Question
23
23.
The smallest number by which 243 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
0
(iii)
1
(iv)
3
(v)
4
Question
24
24.
Find the value of
14
3
−
13
3
(i)
545
(ii)
546
(iii)
548
(iv)
549
(v)
547
Question
25
25.
Find the
cube root
of
-125
(i)
-2
(ii)
-8
(iii)
-4
(iv)
-6
(v)
-5
Assignment Key
1) (iv)
2) (v)
3) (v)
4) (iii)
5) (ii)
6) (v)
7) (ii)
8) (ii)
9) (iii)
10) (iv)
11) (v)
12) (ii)
13) (i)
14) (iii)
15) (iv)
16) (iii)
17) (iv)
18) (i)
19) (v)
20) (v)
21) (ii)
22) (iii)
23) (iv)
24) (v)
25) (v)
