If 5% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the cost of the article is?  Choose the correct choice from the following answers:
A) 127
B) 688
C) 200
D) 121
E) 123
Let C.P. be Rs. x.   Then, 5% of x = 350 - 340= 
<gadget id="calculator">350 - 340</gadget>
<output>10</output>
10   x/20= 10 =&gt; x = 200   Answer: 200
<result>C</result>
If 5% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the cost of the article is?