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
1000
(i)
7
(ii)
10
(iii)
100
(iv)
13
(v)
103
Question
2
2.
The smallest number by which 19208 must be divided so that the quotient is a perfect cube is?
(i)
6
(ii)
10
(iii)
7
(iv)
4
(v)
8
Question
3
3.
Find the value of
8
3
−
7
3
(i)
170
(ii)
169
(iii)
172
(iv)
166
(v)
168
Question
4
4.
The smallest number by which 2187 must be divided so that the quotient is a perfect cube is?
(i)
1
(ii)
3
(iii)
4
(iv)
2
(v)
0
Question
5
5.
Find the value of
17
3
−
16
3
(i)
816
(ii)
818
(iii)
820
(iv)
814
(v)
817
Question
6
6.
Find the value of
25
3
+
24
3
(i)
29451
(ii)
29449
(iii)
29448
(iv)
29446
(v)
29450
Question
7
7.
The smallest number by which 243 must be multiplied so that the product is a perfect cube is?
(i)
4
(ii)
2
(iii)
1
(iv)
3
(v)
0
Question
8
8.
The smallest number by which 3456 must be divided so that the quotient is a perfect cube is?
(i)
3
(ii)
4
(iii)
2
(iv)
1
(v)
0
Question
9
9.
Which of the following is a perfect cube?
(i)
214
(ii)
731
(iii)
7
(iv)
125
(v)
1001
Question
10
10.
Which of the following is not a perfect cube?
(i)
343
(ii)
64
(iii)
512
(iv)
128
(v)
729
Question
11
11.
Find the cube of
21
(i)
9261
(ii)
441
(iii)
444
(iv)
9258
(v)
9264
Question
12
12.
Which of the following is not a perfect cube?
(i)
343
(ii)
512
(iii)
1000
(iv)
27
(v)
219
Question
13
13.
Find the value of
5
3
+
4
3
(i)
189
(ii)
192
(iii)
188
(iv)
190
(v)
187
Question
14
14.
Find the cube of
25
(i)
15625
(ii)
625
(iii)
15622
(iv)
15628
(v)
628
Question
15
15.
The smallest number by which 2916 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
3
(iii)
4
(iv)
1
(v)
0
Question
16
16.
Find the cube root of
1331
(i)
124
(ii)
8
(iii)
11
(iv)
121
(v)
14
Question
17
17.
Find the
cube root
of
-125
(i)
-3
(ii)
-4
(iii)
-8
(iv)
-5
(v)
-6
Question
18
18.
Find the
cube root
of
64
125
(i)
6
5
(ii)
4
5
(iii)
4
7
(iv)
4
3
(v)
2
5
Question
19
19.
Find the
cube root
of
1
8
(i)
1
(ii)
3
2
(iii)
(
-1
2
)
(iv)
1
4
(v)
1
2
Question
20
20.
Which of the following is not a perfect cube?
(i)
512
(ii)
729
(iii)
343
(iv)
128
(v)
27
Question
21
21.
Find the
cube root
of
125
(i)
8
(ii)
5
(iii)
6
(iv)
4
(v)
2
Question
22
22.
Which of the following is a perfect cube?
(i)
1003
(ii)
509
(iii)
64
(iv)
9
(v)
215
Question
23
23.
Find the cube root of
216
(i)
36
(ii)
6
(iii)
9
(iv)
3
(v)
39
Question
24
24.
Find the
cube root
of
8
(i)
3
(ii)
0
(iii)
2
(iv)
5
(v)
1
Question
25
25.
Find the value of
17
3
−
16
3
(i)
820
(ii)
814
(iii)
817
(iv)
818
(v)
816
Assignment Key
1) (ii)
2) (iii)
3) (ii)
4) (ii)
5) (v)
6) (ii)
7) (iv)
8) (iii)
9) (iv)
10) (iv)
11) (i)
12) (v)
13) (i)
14) (i)
15) (i)
16) (iii)
17) (iv)
18) (ii)
19) (v)
20) (iv)
21) (ii)
22) (iii)
23) (ii)
24) (iii)
25) (iii)