Question

A number is made up of two digits. the sum of digits is 11, if the digits are interchanged, the original number is increased by 9. find the number​

Answer 1

the two digits that make up this number is 11, which leaves the answer to between 2 and 9 (2,3,4,5,6,7,8,9)

the digits in the number are interchanged, the number would be increased by 9.

So, the answer is 56.

Answer 2

Second is that the sum of the two digits that make up this number is 11, which limits the answer to between 2 and 9 - 2,3,4,5,6,7,8,9. The third part is that if the digits in the number are interchanged, the number would be increased by 9. So, the answer is 56.