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Get Answers to all your Questions
The sum of the digits of a 2- digits number obtained by interchanging the digits exceed the given number by 18 . Find the given number​
Answers (1)
Given number is = ab
10a + b + 18 = a + 10b
9(b-a)= 18
b-a = 9
so digits are 0 and 9.
Sum of the digit = 0+9 = 9
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