Question

the sum of digits of a two-digit number is 15 if the number formed by reversing the digits is less than 19 by the original number find the number​

Answer 1

Answer:

The original number is 87

Step-by-step explanation:

Let the number be 'AB'

Therefore, it is given, A + B = 15

If, BA = AB - 19, then,

The possibilities of AB are; 96, 87, 78, 69

Therefore 87 fits the condition that BA is 19 less, which is 78.

Hence AB = 87