Question

The sum of the digits of a two-digit number is 12. The ratio between the number obtained on reversing the digits and the original number is 4: 7. Find the number.​

Answer 1

Answer:

Let the digit at the tens place be x and the digit at the unit place be y. Required Number = (10x+y). Number obtained on reversing the digits = (10y+x). Hence, the required number is 57.