An article when sold at a gain of 5% yields Rs. 15 more than when sold at a loss of 5%. The cost price of the article is:	Choose the correct choice from the following options.
A) Rs. 200	B) Rs. 150	C) Rs. 80	D) Rs. 64	E) None of these
10/100 × x = 15 ⇒ x=150   As the loss and profit both are earned on the cost price.   Answer: Rs. 150
<result>B</result>
An article when sold at a gain of 5% yields Rs. 15 more than when sold at a loss of 5%. The cost price of the article is: