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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 right in decimal part while finding the cube root of 21 using table.
9
7
5
3
Which of the following is the cube of even natural number ?
729
3,375
13,824
4
The unit digit in the cube root of 343 and 1000 are respectively ____ .
7,0
1,0
3,0
9,0
is :
Less than 6
Greater than 6
Equal to 6
Equal to 9
6
While estimating the cube root of 23 using the table, what is the fractional part in it.
802
844
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
Which of the following is the cube of odd natural number ?
32,768
4,096
6,859
1,728
Using the table, estimate the cube root of 25 and 28.
2.914,3.014
2.924,3.037
3.022,2.365
none of these
10
What is the smallest number by which when 675 is multiplied,the product is a perfect cube?
16
11
By what smallest number must 2560 be multiplied in order to make it a perfect cube?
24
29
26
25
12
The cube root of is :
None of these
13
Find the tens digit in the cube root of 185193.
14
Given that and find the value of
9.5
1.5
15
Find the ones and tens digit in the cube root of 42875.
2,5
4,5
5,3
3,5
The value of is :
28
- 28
18
- 18
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
Using the table, estimate the cube root of 33.45(correct up to three decimal places).
3.258
3.412
3.222
3.240
19
Which of the following numbers are the cube of rational numbers?
0.008
All of these
20
The cube of a number is 8 times the cube of another number. If the sum of the cubes of numbers is 243, the difference of the numbers is :