By selling 9 pencils for a rupee a man loses 20%. How many for a rupee should he sell in order to gain 20%?  Choose one.
A) 8	B) 9	C) 7	D) 4	E) 6

Rationale: "80 % - - - 9 120 % - - - ? 80 / 120 * 9 = 6 answer : e"
Answer: E