By selling 33 metres of cloth , one gains the selling price of 11 metres . Find the gain percent .
Choose the correct choice.
A) 20%  B) 30%  C) 40%  D) 50%  E) 60%
(SP of 33m)-(CP of 33m)=Gain=SP of 11m   SP of 22m = CP of 33m   Let CP of each metre be Re.1 , Then, CP of 22m= Rs.22,SP of 22m=Rs.33.   Gain%=[(11/22)*100= 
<gadget id="calculator">(11/22)*100</gadget>
<output>50</output>
50%   ANSWER 50%
<result>D</result>
By selling 33 metres of cloth , one gains the selling price of 11 metres . Find the gain percent .