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
27
(i)
1
3
(ii)
1
5
(iii)
1
(iv)
(
-1
3
)
Question
2
2.
The smallest number by which 3456 must be divided so that the quotient is a perfect cube is?
(i)
4
(ii)
2
(iii)
3
(iv)
0
(v)
1
Question
3
3.
The smallest number by which 108 must be multiplied so that the product is a perfect cube is?
(i)
1
(ii)
2
(iii)
4
(iv)
0
(v)
3
Question
4
4.
Which of the following is not a perfect cube?
(i)
216
(ii)
1003
(iii)
512
(iv)
125
(v)
27
Question
5
5.
Find the cube of
30
(i)
27000
(ii)
900
(iii)
903
(iv)
26997
(v)
27003
Question
6
6.
Find the
cube root
of
125
64
(i)
5
2
(ii)
5
6
(iii)
5
4
(iv)
3
4
(v)
7
4
Question
7
7.
Which of the following is not a perfect cube?
(i)
8
(ii)
216
(iii)
128
(iv)
1000
(v)
512
Question
8
8.
Find the value of
23
3
−
22
3
(i)
1521
(ii)
1519
(iii)
1520
(iv)
1517
(v)
1518
Question
9
9.
Find the cube of
20
(i)
8000
(ii)
400
(iii)
403
(iv)
7997
(v)
8003
Question
10
10.
Which of the following is a perfect cube?
(i)
127
(ii)
62
(iii)
8
(iv)
1001
(v)
26
Question
11
11.
Find the value of
8
3
+
7
3
(i)
854
(ii)
858
(iii)
856
(iv)
855
(v)
853
Question
12
12.
The smallest number by which 1125 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
4
(iii)
1
(iv)
0
(v)
3
Question
13
13.
Find the value of
25
3
−
24
3
(i)
1801
(ii)
1803
(iii)
1800
(iv)
1799
(v)
1802
Question
14
14.
Find the value of
26
3
+
25
3
(i)
33203
(ii)
33201
(iii)
33200
(iv)
33199
(v)
33202
Question
15
15.
Find the
cube root
of
8
(i)
3
(ii)
0
(iii)
4
(iv)
1
(v)
2
Question
16
16.
Find the
cube root
of
-125
(i)
-7
(ii)
-3
(iii)
-5
(iv)
-6
(v)
-4
Question
17
17.
Which of the following is not a perfect cube?
(i)
343
(ii)
216
(iii)
8
(iv)
30
(v)
512
Question
18
18.
Find the cube root of
343
(i)
49
(ii)
52
(iii)
4
(iv)
7
(v)
10
Question
19
19.
The smallest number by which 2187 must be divided so that the quotient is a perfect cube is?
(i)
0
(ii)
4
(iii)
3
(iv)
1
(v)
2
Question
20
20.
Which of the following is a perfect cube?
(i)
216
(ii)
7
(iii)
24
(iv)
65
(v)
127
Question
21
21.
Find the value of
11
3
−
10
3
(i)
332
(ii)
330
(iii)
334
(iv)
331
(v)
329
Question
22
22.
Find the value of
27
3
+
26
3
(i)
37262
(ii)
37259
(iii)
37256
(iv)
37258
(v)
37260
Question
23
23.
Find the cube of
15
(i)
225
(ii)
3375
(iii)
3372
(iv)
228
(v)
3378
Question
24
24.
The smallest number by which 243 must be multiplied so that the product is a perfect cube is?
(i)
1
(ii)
3
(iii)
4
(iv)
0
(v)
2
Question
25
25.
Find the cube root of
343
(i)
49
(ii)
4
(iii)
10
(iv)
52
(v)
7
Assignment Key
1) (i)
2) (ii)
3) (ii)
4) (ii)
5) (i)
6) (iii)
7) (iii)
8) (ii)
9) (i)
10) (iii)
11) (iv)
12) (v)
13) (i)
14) (ii)
15) (v)
16) (iii)
17) (iv)
18) (iv)
19) (iii)
20) (i)
21) (iv)
22) (ii)
23) (ii)
24) (ii)
25) (v)
