If 4% 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 answer:
A) 250
B) 231
C) 200
D) 288
E) 111
Explanation:   Let C.P. be Rs. x.   Then, 4% of x = 350 - 340= 
<gadget id="calculator">350 - 340</gadget>
<output>10</output>
10   x/25= 10 =&gt; x = 250   250nswer: 250
<result>A</result>
If 4% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the cost of the article is