Question

11. The sum of the digits of a two-digit number is 12. If the new number formed by reversing
the digits is greater than the original number by 54, find the original number. Check your
solution.
12. The digit in the tens place of a two-digit number is three times that in the units place. If the
digits are reversed, the new number will be 36 less than the original number. Find the
original number. Check your solution.​

Answer 1

Step-by-step explanation:

It is also given that the new number formed by reversing the digits is greater than the original number by 54. We have assumed the number is 10x+y. On putting the value of x and y we get 10(3)+9=39. Hence the number is 39.