Question

the difference between a two digit number and the number obtained by interchanging the digits is 9 find the number difference between the two digit number of that number
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Answer 1

Step-by-step explanation:

let the number - 10x + y

the number obtained by interchanging the digits is - 10y +x

a/q,

10x + y -(10y +x) = 9

then solve it . use the value of x and y then find the value of 10x + y