Mohit sold an article for Rs. 18000. Had he offered a discount of 10% on the selling price, he would have earned a profit of 8%. What is the cost price of the article?  Choose the correct choice from the following answers:
A) Rs. 15000 B) Rs. 16200 C) Rs. 14700 D) Rs. 15900 E) None of these
Let the CP be Rs. x.   Had he offered 10% discount, profit = 8%   Profit = 8/100 x and hence his SP = x + 8/100 x = Rs. 1.08x = 18000 - 10/100(18000) = 18000 - 1800 = Rs. 16200   =&gt; 1.08x = 16200   =&gt; x = 15000   Rs. 15000NSWER:Rs. 15000
<result>A</result>
Mohit sold an article for Rs. 18000. Had he offered a discount of 10% on the selling price, he would have earned a profit of 8%. What is the cost price of the article?