Mathematics has 25%formulas, 25%proofs and apply 25%thinking and 25%efforts. In real life situations proofs are nothing but already existed stories(we know the solutions from all experienced people). formulas are nothing but goals. we have so many goals b

The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

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