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 correct option:	A) 2 : 5	B) 2 : 7	C) 5 : 2	D) 7 : 2	E) None
Solution   Let C.P. = Rs. 5x and	S.P. = Rs.7x.   Then, Gain = Rs. 2x.   ∴ Required ratio	= 2x : 5x   ‹=›2 : 5   2 : 5nswer 2 : 5
<result>A</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?