If I feel unhappy, I do mathematics to become happy. If I am happy, I do mathematics to keep happy.

The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

Placed in Infosys With Help for M4Maths
Thank you :) :)

I got successfully placed in TCS pool drive. Thank you M4 Maths