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
7
3
+
6
3
(i)
558
(ii)
559
(iii)
560
(iv)
562
(v)
556
Question
2
2.
Find the value of
14
3
+
13
3
(i)
4941
(ii)
4939
(iii)
4942
(iv)
4940
(v)
4944
Question
3
3.
Find the cube root of
21952
(i)
787
(ii)
28
(iii)
31
(iv)
784
(v)
25
Question
4
4.
Find the cube of
7
(i)
343
(ii)
52
(iii)
346
(iv)
49
(v)
340
Question
5
5.
Find the value of
15
3
+
14
3
(i)
6121
(ii)
6116
(iii)
6118
(iv)
6119
(v)
6120
Question
6
6.
Which of the following is a perfect cube?
(i)
342
(ii)
66
(iii)
1001
(iv)
512
(v)
214
Question
7
7.
Which of the following is not a perfect cube?
(i)
512
(ii)
27
(iii)
346
(iv)
216
(v)
64
Question
8
8.
The smallest number by which 675 must be multiplied so that the product is a perfect cube is?
(i)
6
(ii)
4
(iii)
5
(iv)
3
(v)
7
Question
9
9.
The smallest number by which 5488 must be divided so that the quotient is a perfect cube is?
(i)
0
(ii)
1
(iii)
3
(iv)
4
(v)
2
Question
10
10.
Find the cube root of
6859
(i)
22
(ii)
19
(iii)
361
(iv)
16
(v)
364
Question
11
11.
Find the cube of
22
(i)
10645
(ii)
487
(iii)
10651
(iv)
10648
(v)
484
Question
12
12.
Find the value of
11
3
−
10
3
(i)
332
(ii)
331
(iii)
330
(iv)
334
(v)
329
Question
13
13.
Which of the following is a perfect cube?
(i)
513
(ii)
128
(iii)
343
(iv)
213
(v)
728
Question
14
14.
Which of the following is not a perfect cube?
(i)
125
(ii)
515
(iii)
8
(iv)
1000
(v)
729
Question
15
15.
The smallest number by which 2916 must be multiplied so that the product is a perfect cube is?
(i)
1
(ii)
4
(iii)
0
(iv)
3
(v)
2
Question
16
16.
The smallest number by which 17496 must be divided so that the quotient is a perfect cube is?
(i)
1
(ii)
4
(iii)
0
(iv)
2
(v)
3
Assignment Key
1) (ii)
2) (i)
3) (ii)
4) (i)
5) (iv)
6) (iv)
7) (iii)
8) (iii)
9) (v)
10) (ii)
11) (iv)
12) (ii)
13) (iii)
14) (ii)
15) (v)
16) (v)
