A man sells an article at 5% loss. Had he sold it for Rs.60 more he could have gained 10%. What is the cost price of the article?  Choose the correct option.
A) Rs.200/-  B) Rs.400/-  C) Rs.450/-  D) Rs.500/-  E) Rs.550/-
Short cut method:   Loss =====&gt; 5 %   Profit ====&gt; 10 %   ~   ----------------   15 % ---------&gt; Rs.60/-   100 % --------&gt; Rs.400/-   Option Rs.400/-)
<result>B</result>
A man sells an article at 5% loss. Had he sold it for Rs.60 more he could have gained 10%. What is the cost price of the article?