By selling 15 pencils for a rupee a man loses 25%. How many for a rupee should he sell in order to gain 25%? Choose the correct choice from the following
A) 8 B) 9 C) 7 D) 6 E) 5

Rationale: "75 % - - - 15 125 % - - - ? 75 / 125 * 15 = 9 answer : b"
Answer: B