he ratio between the sale price and the cost price of an article is 4:7. What is the ratio between the profit and the cost price of that article?  Choose the correct choice from the following:
A) 2:6  B) 3:7  C) 3:8  D) 2:1  E) 8:3
Let C.P. = Rs. 7x and S.P. = Rs. 4x.   Then, Gain = Rs. 3x   Required ratio = 3x : 7x = 3:7.   Answer:3:7
<result>B</result>
he ratio between the sale price and the cost price of an article is 4:7. What is the ratio between the profit and the cost price of that article?