If the cost price of 65 chocolates is equal to the selling price of 50 chocolates, the gain percent is :	Choices:  A) 35%  B) 10%  C) 20%  D) 30%  E) 33%
Explanation :   Solution: Let C.P. of each chocolate be Re. 1. then, C.P. of 50 chocolates = Rs. 50;   S.P. of 50 chocolates =Rs. 65.   .'. Gain% = 15*100/50= 
<gadget id="calculator">15*100/50</gadget>
<output>30</output>
30%   Answer : 30%
<result>D</result>
If the cost price of 65 chocolates is equal to the selling price of 50 chocolates, the gain percent is :