A person buys an article at Rs.550. At what price should he sell the article so as to make a profit of 30%? Choose the correct choice from the following options.
A) 600  B) 715  C) 772  D) 662  E) 521

Rationale: "cost price = rs . 550 profit = 30 % of 550 = rs . 165 selling price = cost price + profit = 550 + 165 = 715 answer : b"
Answer: B