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?  Choose the most appropriate option:	A) 23	B) 1:2	C) 2:5	D) 3:5	E) 25
C   C.P. = Rs. 5x and S.P. = Rs. 7x.   Then, Gain = Rs. 2x   Required ratio = 2x : 5x = 2:5
<result>C</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?