WorksheetsCUBE AND CUBE ROOTS
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Hardy-Ramanujan Number is ....
a)
1727
b)
1728
c)
1729
d)
1700
2.
Number obtained when a number is obtained by taking it three times is called
a)
Square number
b)
Perfect
c)
Perfect cubes
d)
Prime numbers
3.
Cube of an odd number is
a)
An odd number
b)
An even number
c)
A prime number
d)
None of the above
4.
Cube of an even number is..
a)
An even number
b)
An odd number
c)
A prime number
d)
None of the above
5.
Sum of 3 and 5 is cube of
a)
1
b)
2
c)
3
d)
4
6.
Cube of 10 is
a)
100
b)
1000
c)
30
d)
3000
7.
What is 2 cubed?
23
a)
8
b)
6
c)
4
d)
16
8.
Which number is both a perfect square and a perfect cube?
a)
64
b)
27
c)
81
d)
16
9.
Numbers ending with digits 4,5,6 and 9,their cubes also end with ___digit
a)
Same
b)
Different
10.
If a number ending with digits 2 and their cubes end with ___
a)
2
b)
5
c)
8
d)
7
100 %
