If the cost price of 165 chocolates is equal to the selling price of 150 chocolates, the gain percent is
Answers
A) 8	B) 9	C) 10	D) 11	E) 12

Rationale: "let c . p . of each chocolate be re . 1 . then , c . p . of 150 chocolates = rs . 150 ; s . p . of 150 chocolates = rs . 165 . gain % = 15 / 150 * 100 = 10 % answer : c"
Answer: C