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- Difference between a two-digit number and the number obtained by interchanging the two digits is 36, what is the difference between two numbers
Question 1:
Difference between a two-digit number and the number obtained by interchanging the two digits is 36, what is the difference between two numbers A. 2
B. 4
Feedback Let the ten digit be x, unit digit is y.
Then (10x + y) - (10y + x) = 36
=> 9x - 9y = 36
=> x - y = 4.
Then (10x + y) - (10y + x) = 36
=> 9x - 9y = 36
=> x - y = 4.
C. 8
D. 12
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