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1
The number which is not a perfect cube among the following is :
1,331
216
243
512
2
Find the digit from extreme left in decimal part while finding the cube root of 21 using table.
7
9
5
3
The unit's digit of the cube of a number is 9. The unit's digit of its cube root is ______ .
4
Find the digit from extreme right in decimal part while finding the cube root of 21 using table.
Which of the following is the cube of even natural number ?
729
3,375
13,824
6
The cube root of is :
27
None of these
Using the table, estimate the cube root of 15 and find the digit just after the decimal.
2.351,3
2.520,5
2.466,4
2.410,4
8
The unit digit in the cube root of 343 and 1000 are respectively ____ .
7,0
1,0
3,0
9,0
The value of is
27.971
29.791
29.971
27.197
10
The smallest number by which 392 must be multiplied so that the product is a perfect cube, is ____________ .
11
Given that find the value of x.
18
- 18
- 216
12
13
The smallest number by which 2560 must be multiplied so that the product is a perfect cube is :
25
15
14
By what smallest number must 2560 be multiplied in order to make it a perfect cube?
24
29
26
The length of each side of the cubical box is 2.4 m. Its volume is :
13.854 sq m
13.824
16
The value of is ______ .
17
Three numbers are in the ratio 2 : 3 : 5 to one another. The sum of their cubes is 54880. The numbers are _____ .
14, 21, 35
12, 15, 17
14, 18, 21
21, 28, 32
The value of is :
28
- 28
19
If the least value of 'a' is ___________________ .
20
Evaluate the following:
(i) - 1, (ii) - 6.9 , (iii) - 2/5
(i) - 3 , (ii) - 7.1 , (iii) - 1/5
(i) - 4 , (ii) - 7.9 , (iii) - 2/5
(i) - 1 , (ii) - 6.5 , (iii) - 1/5