Question

The sum of digit In two digit no is 8.if 9 is added to the number then the digit become equal.find the number

Answer 1

Answer:

If you want to solve it without using algebra, consider the possibilities: 80, 71, 62, 53 and 44 (so that the sum of the digits is 8). The numbers formed by reversing the digits are 8, 17, 26, 35 and 44. The only pair that differs by 18 is (35, 53). You can try this also