1. Number obtained by interchanging the digits of a two digit number is less than the original number by 18, and the sum of the digit is 6 what is the original two-digit number ?
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By: anil on 05 May 2019 01.25 am
Let the original number be 10x + y 10y + x + 18 = 10x + y x + y = 6 Solving for x and y, we get x = 2 and y = 4 So, the original number = 24
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