A watch was sold at a loss of 10%. If it was sold for Rs.140 more, there would have been a gain of 4%. What is the cost price?  Choose the correct option
A) 1000 B) 3329 C) 2776 D) 2988 E) 1681
90%   104%   --------   14% ---- 140   100% ---- ? =&gt; Rs.1000   1000nswer: 1000
<result>A</result>
A watch was sold at a loss of 10%. If it was sold for Rs.140 more, there would have been a gain of 4%. What is the cost price?