Question

Q13. Sum of the digits of a two digit number is 9. When we interchange the digits, it is found that the
resulting new number is greater than the original number by 27. What is the two-digit number?​

Answer 1

Answer:

Therefore the original no.is 36

Answer 2

x+y = 9 ------------(i)

10y+x = (10x+y) + 27 ------(ii)

Now solve the equation

and put the value of x and y in

10x+y .......you will get your answer.