Question

The sum of the digits of 2digit number is 9. If the number formed by reversing it's digit is 27 less than the original number, find the original number​

Answer 1

let the number be 10 x + y

ATQ

x + y = 9

10y + x + 27

10 x + y

x - y = 3

solving of x and y

we get x = 6 and y = 3

therefore the number is 63