The sum of digits of a two-digit number is $7$ and on interchanging the digits the new number exceeds the original by $9

Question

The sum of digits of a two-digit number is $7$ and on interchanging the digits the new number exceeds the original by $9$. The number is —

Accepted Answer

$34$

Answer

$25$

Answer

$43$

Answer

$52$

The sum of digits of a two-digit number is 777 and on interchanging the digits the new number exceeds the original by 999. The number is —