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WorksheetsCubes of numbers
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Find the cube of a2
a)
a2
b)
a5
c)
a6
d)
a3
2.
Which number is both a perfect square and a perfect cube?
a)
64
b)
27
c)
81
d)
16
3.
The number 512 is a perfect cube because 512 = 83.
Which number below is also a perfect cube?
a)
125
b)
300
c)
150
d)
256
4.
Guess the units digit of the cube of 4562
a)
2
b)
6
c)
8
d)
4
5.
233 means
a)
23 + 23 + 23
b)
23 x 3
c)
23 x 23 x 23
d)
3 + 23
6.
Sum of 3 and 5 is cube of
a)
1
b)
2
c)
3
d)
4
7.
(75)3 =
a)
343125
b)
4925
c)
343225
d)
none of these
8.
The cube of an even number is
a)
always even
b)
always odd
c)
odd or even
d)
none of these
9.
(11−3)3
a)
133127
b)
1331−27
c)
121−81
d)
none of these
10.
Which of the following is known as the Hardy Ramanujan Number ?
a)
1927
b)
7291
c)
9271
d)
1729
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