Answers

2015-05-08T13:24:05+05:30
Let the number be 10x+y.
Digits of number are x and y.
According to Question,
x+y=12                                  ...(i)
x-y=4                                     ...(ii)
Adding (i) and (ii),
⇒2x=16
⇒x=8
⇒x+y=12                                                                       [From (i)]
⇒8+y=12
⇒y=4
Therefore,
The number is 10x+y=(10*8)+4 = 84, which is greater than 50.



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