If the difference between a two- digit number 'ab' and the new number – InterviewSolution

1.	If the difference between a two- digit number 'ab' and the new number obtained by reversing its digits is taken as cd, then express cd in terms of a and b.
Answer» If the difference between a two- digit number 'ab' and the new number obtained by reversing its digits is taken as cd, then express cd in terms of a and b.

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