1) The ratio between the sale price and the cost price of an article is 7 : 5. What is the ratio between the profit and the cost price of that article ? A) 2:5 B) 5:2 C) 7:2 D) Data inadequate E) None of these Answer: Option AExplanation:Let C.P = Rs. $5x$ and S.P = Rs. $7x$. Then, Gain = Rs. $2x$. $\therefore$ Required ratio $=2x:5x=2:5$
