Question

The sum of the digits of a two digit number is 12.The number formed by interchanging the digits is greater than the original number by 54.Find the original number.
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Answer 1

Answer:

39

Step-by-step explanation:

here we can assume the digits to be x (for the ten:'s digit) and y(for the one's digit) or visa versa. thus the no. formed will be 10x + y in the standard form. rest of the process is shown...