A trader sold an article on a certain price with 40% profit. If he sold double of previous selling price then find its profit %  Answers:	A) 140 %	B) 180 %	C) 120 %	D) 100 %	E) 150 %

Rationale: "let cost price = 100 % selling price = 140 % new s . p . = 280 % p % = 280 - 100 = 180 % answer is b"
Answer: B