Question

The digits of a two-digit number differ by 3 If the digits are interchanged and the resulting number is added to the original number we get 143 What can be the original number

Answer 1

Let first number be x
Other number will be x+3
According to question
10x+(x+3)+10(x+3)+x=143
10x+x+10x+x+3+30=143
22x=110
x=5
digit will be 58