the sum of the digit of 2 digit number is 11. the given number is less than the number obtained by interchanging the digits by 9. find the number.

Please answer fast..

the sum of the digit of 2 digit number is 11. the given number is less than the number obtained by interchanging the digits by 9. find the number.

Please answer fast..

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Answer:the number is 56

Step-by-step explanation:Therefore, (10x+y)−(10y+x)=9. Putting the value of x in x+y=11, we get y=11−x=11−6=5. The number was 56.