Question

In a two - digit number, unit's digit is twice the ten's digit. If sum of the digits is
added to the whole number, the result is equal to 30. Find the number.

please answer this question with a proper solution.​

Answer 1

Answer:

If 36 be added to the number, the digits are reversed and the unit's digit is 2 times the ten's digit, then the number is option (c): 48.