A student finds the average of 10, 2 digits numbers. If the digits of one of the

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A student finds the average of 10, 2 digits numbers. If the digits of one of the numbers interchanged, the average increases by 3.6. The difference between the digits of the 2 digits number is :

Options:

A . 4

B . 3

C . 2

D . 5

Answer: Option A

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