EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Cubes and Cube Roots
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
The smallest number by which 5000 must be divided so that the quotient is a perfect cube is?
(i)
2
(ii)
5
(iii)
6
(iv)
4
(v)
7
Question
2
2.
The smallest number by which 32 must be multiplied so that the product is a perfect cube is?
(i)
4
(ii)
3
(iii)
2
(iv)
1
(v)
0
Question
3
3.
Which of the following is not a perfect cube?
(i)
512
(ii)
27
(iii)
219
(iv)
125
(v)
729
Question
4
4.
Find the
cube root
of
-8
(i)
-3
(ii)
0
(iii)
-4
(iv)
-2
(v)
-1
Question
5
5.
Find the cube root of
27000
(i)
27
(ii)
903
(iii)
30
(iv)
33
(v)
900
Question
6
6.
Which of the following is not a perfect cube?
(i)
67
(ii)
125
(iii)
729
(iv)
1000
(v)
343
Question
7
7.
Find the value of
14
3
+
13
3
(i)
4941
(ii)
4943
(iii)
4942
(iv)
4940
(v)
4939
Question
8
8.
Find the
cube root
of
(
-27
64
)
(i)
(
-1
2
)
(ii)
(
-3
4
)
(iii)
(
-1
4
)
(iv)
(
-5
4
)
(v)
(
-3
2
)
Question
9
9.
Which of the following is not a perfect cube?
(i)
128
(ii)
729
(iii)
1000
(iv)
216
(v)
512
Question
10
10.
Find the
cube root
of
-125
(i)
-2
(ii)
-7
(iii)
-5
(iv)
-4
(v)
-6
Question
11
11.
Find the cube of
8
(i)
512
(ii)
509
(iii)
515
(iv)
67
(v)
64
Question
12
12.
Which of the following is a perfect cube?
(i)
730
(ii)
5
(iii)
342
(iv)
216
(v)
128
Question
13
13.
The smallest number by which 3456 must be divided so that the quotient is a perfect cube is?
(i)
3
(ii)
2
(iii)
0
(iv)
4
(v)
1
Question
14
14.
Find the value of
14
3
−
13
3
(i)
544
(ii)
550
(iii)
546
(iv)
548
(v)
547
Question
15
15.
The smallest number by which 108 must be multiplied so that the product is a perfect cube is?
(i)
0
(ii)
2
(iii)
4
(iv)
3
(v)
1
Question
16
16.
Find the value of
11
3
−
10
3
(i)
329
(ii)
331
(iii)
333
(iv)
330
(v)
332
Question
17
17.
Which of the following is a perfect cube?
(i)
24
(ii)
7
(iii)
64
(iv)
218
(v)
513
Question
18
18.
Find the cube root of
13824
(i)
21
(ii)
579
(iii)
24
(iv)
576
(v)
27
Question
19
19.
Find the
cube root
of
(
-64
125
)
(i)
(
-6
5
)
(ii)
(
-2
5
)
(iii)
(
-4
5
)
(iv)
(
-4
7
)
(v)
(
-4
3
)
Question
20
20.
Find the value of
30
3
+
29
3
(i)
51392
(ii)
51390
(iii)
51388
(iv)
51387
(v)
51389
Question
21
21.
The smallest number by which 256 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
0
(iii)
4
(iv)
1
(v)
3
Question
22
22.
The smallest number by which 5184 must be divided so that the quotient is a perfect cube is?
(i)
3
(ii)
4
(iii)
0
(iv)
1
(v)
2
Question
23
23.
Find the value of
29
3
−
28
3
(i)
2436
(ii)
2435
(iii)
2440
(iv)
2437
(v)
2438
Question
24
24.
Find the cube of
6
(i)
39
(ii)
213
(iii)
36
(iv)
216
(v)
219
Question
25
25.
Find the cube of
27
(i)
19680
(ii)
19686
(iii)
732
(iv)
19683
(v)
729
Assignment Key
1) (ii)
2) (iii)
3) (iii)
4) (iv)
5) (iii)
6) (i)
7) (i)
8) (ii)
9) (i)
10) (iii)
11) (i)
12) (iv)
13) (ii)
14) (v)
15) (ii)
16) (ii)
17) (iii)
18) (iii)
19) (iii)
20) (v)
21) (i)
22) (i)
23) (iv)
24) (iv)
25) (iv)
