Question

sum of the digits of a two-digit number is 11. The given number is less than the number obtained by interchanging the digits by 9. find the number?​

Answer 1

Answer:

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Answer 2

Answer:

Let the number be x and y

therefore, x + y = 11

then, the given number 11 is less than the number obtained by interchanging the digits by 9

let the value of x be 9

9 + y = 11

9 + 11 = y

20 = y

y = 20