The sum of the digits of a two digit no. is 12 , if the new no. formed by reversing the digits is greater than the original no. by 54 , find the original no.
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Actually the answer is 39 because :-
Let the digits be x & y;
x=3;
y=9;
x+y=12........(Condition satisfied);
yx=xy+54;
93=39+54;
Hence the number is 39.
Let the digits be x & y;
x=3;
y=9;
x+y=12........(Condition satisfied);
yx=xy+54;
93=39+54;
Hence the number is 39.
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