If the two digits of a two digit number are reversed it is 45 more than it is now. What could it be?

Question

If the digits of a two-digit number are interchanged, the obtained number is 27 more than the original number. The digits of the number are in the ratio of 2 : 1, then
What is the original number?

Answer 1

Answer: 27
If the two digits of a two digit number are reversed = 72
it is 45 more than it is now = 27 +45 = 72
so, 27 is the answer.