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1
Find the digit from extreme right in decimal part while finding the cube root of 21 using table.
9
7
5
2
The unit digit in the cube root of 343 and 1000 are respectively ____ .
7,0
1,0
3,0
9,0
3
The unit and tens digit in the cube root of 4913 are respectively ____ .
3,1
4,9
7,1
1,3
4
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
While estimating the cube root of 23 using the table, what is the fractional part in it.
802
844
6
Which of the following is the cube of odd natural number ?
32,768
4,096
6,859
1,728
____________
8
3.5
0.35
The unit's digit of the cube of a number is 9. The unit's digit of its cube root is ______ .
What is the smallest number by which when 675 is multiplied,the product is a perfect cube?
16
10
The value of is _____________________.
0.27
0.027
2.7
27
11
__________
70
- 70
14
- 14
12
The cube of 0.9 is :__________________.
72.9
0.729
7.29
None of these
13
Using the table estimate the cube root of 28.
3.000
3.037
3.031
3.011
Given that and find the value of
9.5
1.5
15
Which of the following options is INCORRECT ?
Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. The numbers will be 5, 10, 15.
The digit in the units place for the cube of a four digit number of the form xyz8 is 2.
The smallest number by which 3600 be divided to make it a perfect cube is 450.
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
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
The value of is ______ .
19
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.
20
The square of a natural number subtracted from its cube is 48. The number is ___________________.