Question

The number ab – ba where a and b are digits and a > b is divisible by ​

Answer 1

Question. 22 The difference of two-digit number and the numberobtained by reversing itsdigits is always divisibleby ———-. Hence, ab – ba is alwaysdivisible by 9 and (a – b).
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Answer 2

Answer:

The difference of two-digit number and the number obtained by reversing its digits is always divisible by ———-. Hence, ab – ba is always divisible by 9 and (a – b).