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
13
3
+
12
3
(i)
3922
(ii)
3928
(iii)
3926
(iv)
3924
(v)
3925
Question
2
2.
Find the value of
29
3
+
28
3
(i)
46342
(ii)
46343
(iii)
46340
(iv)
46338
(v)
46341
Question
3
3.
Find the cube root of
2744
(i)
14
(ii)
17
(iii)
196
(iv)
11
(v)
199
Question
4
4.
Find the cube of
15
(i)
228
(ii)
3378
(iii)
3375
(iv)
225
(v)
3372
Question
5
5.
Find the value of
15
3
+
14
3
(i)
6118
(ii)
6122
(iii)
6117
(iv)
6120
(v)
6119
Question
6
6.
Which of the following is a perfect cube?
(i)
126
(ii)
732
(iii)
341
(iv)
26
(v)
216
Question
7
7.
Which of the following is not a perfect cube?
(i)
8
(ii)
729
(iii)
125
(iv)
1003
(v)
216
Question
8
8.
The smallest number by which 243 must be multiplied so that the product is a perfect cube is?
(i)
4
(ii)
1
(iii)
3
(iv)
2
(v)
0
Question
9
9.
The smallest number by which 10125 must be divided so that the quotient is a perfect cube is?
(i)
3
(ii)
4
(iii)
1
(iv)
2
(v)
0
Question
10
10.
Find the cube root of
8000
(i)
17
(ii)
23
(iii)
20
(iv)
400
(v)
403
Question
11
11.
Find the cube of
24
(i)
576
(ii)
13821
(iii)
13824
(iv)
579
(v)
13827
Question
12
12.
Find the value of
28
3
−
27
3
(i)
2267
(ii)
2269
(iii)
2268
(iv)
2270
(v)
2272
Question
13
13.
Which of the following is a perfect cube?
(i)
514
(ii)
215
(iii)
8
(iv)
998
(v)
730
Question
14
14.
Which of the following is not a perfect cube?
(i)
216
(ii)
1000
(iii)
125
(iv)
512
(v)
67
Question
15
15.
The smallest number by which 864 must be multiplied so that the product is a perfect cube is?
(i)
2
(ii)
4
(iii)
3
(iv)
1
(v)
0
Question
16
16.
The smallest number by which 5488 must be divided so that the quotient is a perfect cube is?
(i)
0
(ii)
4
(iii)
2
(iv)
3
(v)
1
Assignment Key
1) (v)
2) (v)
3) (i)
4) (iii)
5) (v)
6) (v)
7) (iv)
8) (iii)
9) (i)
10) (iii)
11) (iii)
12) (ii)
13) (iii)
14) (v)
15) (i)
16) (iii)
