3. Sum of two digits of a 2-digit number is 12. If the digits are reve – InterviewSolution

1.	3. Sum of two digits of a 2-digit number is 12. If the digits are reversed, the new number, so formed increase by 36. Find the number.umber so formed
Answer» let the digit at tens place be x and at units place be yoriginal no. = 10x + y INTERCHANGE no. = 10Y + x 1ST CONDITION. x + y = 122nd condition. 10x + y = 10y + x + 3610x + y - 10y - x = 36

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