Question

Sum of the digits of two digit number is 9. If we reverse the order of digit of this number and subtract original number from this new number, we get 27. Find the original number​

Answer 1

According to the question, New number

= Original number + 27

\Rightarrow18x=108

Hence, the 2-digit number = 10(9-x)+x = 10(9-6)+6 = 10 x 3 + 6 = 30 + 6 = 36