EduSahara™ Assignment
Name : Cubes and Cube Roots
Chapter : Cubes and Cube Roots
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Find the value of
11
3
+
10
3
(i)
2332
(ii)
2328
(iii)
2330
(iv)
2331
(v)
2333
Question
2
2.
Find the value of
26
3
+
25
3
(i)
33201
(ii)
33200
(iii)
33202
(iv)
33204
(v)
33199
Question
3
3.
Find the cube root of
9261
(i)
21
(ii)
18
(iii)
24
(iv)
444
(v)
441
Question
4
4.
Find the cube of
14
(i)
196
(ii)
2747
(iii)
2741
(iv)
2744
(v)
199
Question
5
5.
Find the value of
15
3
+
14
3
(i)
6118
(ii)
6120
(iii)
6116
(iv)
6122
(v)
6119
Question
6
6.
Which of the following is a perfect cube?
(i)
9
(ii)
342
(iii)
727
(iv)
1000
(v)
128
Question
7
7.
Which of the following is not a perfect cube?
(i)
343
(ii)
1000
(iii)
729
(iv)
67
(v)
216
Question
8
8.
The smallest number by which 200 must be multiplied so that the product is a perfect cube is?
(i)
6
(ii)
7
(iii)
2
(iv)
5
(v)
4
Question
9
9.
The smallest number by which 5184 must be divided so that the quotient is a perfect cube is?
(i)
0
(ii)
2
(iii)
4
(iv)
3
(v)
1
Question
10
10.
Find the cube root of
17576
(i)
23
(ii)
29
(iii)
679
(iv)
676
(v)
26
Question
11
11.
Find the cube of
8
(i)
512
(ii)
515
(iii)
509
(iv)
64
(v)
67
Question
12
12.
Find the value of
20
3
−
19
3
(i)
1141
(ii)
1138
(iii)
1142
(iv)
1143
(v)
1140
Question
13
13.
Which of the following is a perfect cube?
(i)
1000
(ii)
5
(iii)
513
(iv)
731
(v)
63
Question
14
14.
Which of the following is not a perfect cube?
(i)
125
(ii)
1000
(iii)
11
(iv)
64
(v)
729
Question
15
15.
The smallest number by which 675 must be multiplied so that the product is a perfect cube is?
(i)
5
(ii)
4
(iii)
7
(iv)
6
(v)
3
Question
16
16.
The smallest number by which 8192 must be divided so that the quotient is a perfect cube is?
(i)
4
(ii)
0
(iii)
1
(iv)
3
(v)
2
Assignment Key
1) (iv)
2) (i)
3) (i)
4) (iv)
5) (v)
6) (iv)
7) (iv)
8) (iv)
9) (iv)
10) (v)
11) (i)
12) (i)
13) (i)
14) (iii)
15) (i)
16) (v)
