Answers

2015-09-21T13:50:18+05:30
N-21=71-n 
2n=92 
n=46
so 46 is the answer

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2015-09-21T13:57:21+05:30
Let the number be x.

ATQ,
x - 21 = 71 - x
⇒ x + x =  71 + 21
⇒ 2x = 92
⇒ x = 92/2
⇒ x = 46

The number is 46.
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