The ratio between the sale price and the cost price of an article is 9:5. What is the ratio between the profit and the cost price of that article?	Choose the correct choice from the following options: A) 23 B) 1:2 C) 4:5 D) 3:5 E) 25
C.P. = Rs. 5x and S.P. = Rs. 9x.   Then, Gain = Rs. 4x   Required ratio = 4x : 5x = 4:5   4:5
<result>C</result>
The ratio between the sale price and the cost price of an article is 9:5. What is the ratio between the profit and the cost price of that article?