The sum of digits in a two digit number is 9. The sum obtained by interchanging the digit exceeds the original number by 27. Find the two digit number.

The sum of the digits of a two-digit number is 16. The number obtained by interchanging the digits is less by 18 than the original number. Find that two-digit number.

The sum of a two digit number and the number obtained by interchanging its digits. Is 99. If digits differ by 3 then find the number.

Solve the following word problems : The sum of a two digit number and the number obtained by interchanging the digits is 143. If the digit at the units place is 3 more than the digit at the tens place, find the original number.

A two digit number is 3 more than 4 times the sum of its digit. If 18 is added to this number, the sum is equal to the number obtained by interchanging the digits. Find the number.