The cost price of a radio is Rs.1900 and it was sold for Rs.1330, find the loss %? Select:  A) 18%  B) 31%  C) 30%  D) 45%  E) 12%
1900 ---- 570   100 ---- ? =&gt; 30%   Answer:30%
<result>C</result>
The cost price of a radio is Rs.1900 and it was sold for Rs.1330, find the loss %?