Answers

2015-11-16T20:46:20+05:30
Suppose the number is A
A×25/100=21
A=21×100/25
A=21×4
A=84
Therefore the number is 84.
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2015-11-16T21:18:17+05:30
Let the no be x.
25/100 of x = 21
x= 21×100 / 25
x=21×4
x=84 (ans)
0