A person buys an article at Rs.400. At what price should he sell the article so as to make a profit of 40%?	Pick.
A) 600  B) 277  C) 560  D) 261  E) 281

Rationale: "cost price = rs . 400 profit = 40 % of 400 = rs . 160 selling price = cost price + profit = 400 + 160 = 560 answer : c"
Answer: C