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.
Question
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.
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Mathematics
2 years
2021-07-17T15:34:29+00:00
2021-07-17T15:34:29+00:00 1 Answers
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Answers ( )
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.