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1
Which of the following is the cube of even natural number ?
729
3,375
1,331
13,824
2
Find the digit from extreme left in decimal part while finding the cube root of 21 using table.
7
9
5
3
The cube root of is :
27
None of these
4
Find the digit from extreme right in decimal part while finding the cube root of 21 using table.
is :
Less than 6
Greater than 6
Equal to 6
Equal to 9
6
Find the tens digit in the cube root of 2197.
none of these
While estimating the cube root of 23 using the table, what is the fractional part in it.
802
844
8
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
Which of the following statements is CORRECT?
Statement 1 : Cube root of 117.649 is a rational number .
Statement 2 : Cube of an odd number may or may not be odd.
Only Statement - 1
Only Statement - 2
Both Statement - 1 and Statement -2
Neither Statement - 1 nor Statement -2
10
Which of the following numbers are perfect cubes ?
108
343
243
5,324
11
__________
70
- 70
14
- 14
12
13
Given that and find the value of
9.5
1.5
The value of is
56
-56
65
-65
15
Mr. X gave a problem to Mr. Y.
" Difference of two perfect cubes is 189. If the cube root of the smaller of the two number is 3, find the cube root of the larger number. "
Help Mr. Y to answer the question.
16
___________ .
17
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 :
18
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
19
If the least value of 'a' is ___________________ .
20
The square of a natural number subtracted from its cube is 48. The number is ___________________.