Sum of two digit number is 9.when we interchange the digits,it is found that the resulting new number is greater than the original number is by 27.what is two digit number.
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the original no is 36 and new no. is 63
the equation is
10x +(9-x) -27 = 10(9-x)+ x
the equation is
10x +(9-x) -27 = 10(9-x)+ x
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