By selling 15 pencils for a rupee a man loses 60%. How many for a rupee should he sell in order to gain 60%? Choose the correct choice from the following options.
A) 2.15
B) 4.2
C) 5.18
D) 3.75
E) 4.2

Rationale: "40 % - - - 15 160 % - - - ? 40 / 160 * 15 = 3.75 answer : d"
Answer: D