If a number N is decreased by p percent and then the resulting value is increased by q percent, the final result is

[BTGmoderatorDC]

If a number N is decreased by p percent and then the resulting value is increased by q percent, the final result is equal to N. If both p and q are positive integers, what is the value of p ?

(1) p is not a multiple of 10.

(2) q is not a multiple of 10.


OA C

Source: Manhattan Prep