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WorksheetsSquares, Cubes and their roots
Total questions: 10
Worksheet time: 16mins
Name
Class
Date
1.
676 = ?
a)
36
b)
26
c)
46
d)
28
2.
Find the smallest number with which I multiply 180 to make it a perfect square?
a)
5
b)
6
c)
7
d)
8
3.
Find the sum of 1+3+5+7+9+11+13+15+17+19
a)
81
b)
121
c)
100
d)
144
4.
Express 292 as the sum of two consecutive integers.
a)
320,521
b)
430,431
c)
420,421
d)
530,531
5.
Write a Pythagorean triplet whose one number is 12.
a)
(12,36,38)
b)
(12,24,27)
c)
(12,16,19)
d)
(12,35,37)
6.
Find the square root of 0.0196
a)
1.4
b)
0.014
c)
0.14
d)
0.16
7.
If area of a square field is 961 sq. units, then what is the length of its side?
a)
29
b)
41
c)
31
d)
39
8.
If
1521 = 39, find the value of 0.1521 + 15.21a)
42.9
b)
4.29
c)
3.51
d)
35.1
9.
Find the cube root of 0.216
a)
8.0
b)
0.8
c)
0.08
d)
0.6
10.
Find the length of the side of the cube if its volume is 729 cubic metres.
a)
3
b)
6
c)
9
d)
27
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