A trader sold an article on a certain price with 20% profit. If he sold double of previous selling price then find its profit %  Choose one
A) 140 % B) 120 % C) 100 % D) 90 % E) 80 %

Rationale: let cost price = 100 % selling price = 120 % new s . p . = 240 % p % = 240 - 100 = 140 % answer is a
Answer: A