If 5% more is gained by selling an article for Rs. 360 than by selling it for Rs. 340, the cost of the article is?	Choose the correct choice from the following:
A) 127 B) 688 C) 400 D) 121 E) 123
Let C.P. be Rs. x.   Then, 5% of x = 360 - 340= 
<gadget id="calculator">360 - 340</gadget>
<output>20</output>
20   x/20= 20 =&gt; x = 400   Answer: 400
<result>C</result>
If 5% more is gained by selling an article for Rs. 360 than by selling it for Rs. 340, the cost of the article is?