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?	Options: A) 1:3 B) 2:5 C) 3:2 D) 9:4 E) 4:2
Explanation:   Let C.P. = Rs. 5x and S.P. = Rs. 7x.   Then, Gain = Rs. 2x   Required ratio = 2x : 5x = 2:5   Answer: Option 2:5
<result>B</result>
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?