If the cost price of 121 chocolates is equal to the selling price of 77 chocolates, the gain percent is :
Choose the correct choice from the following choices
A) 56.14%
B) 57.44%
C) 57.14%
D) 56.34%
E) 57.87%
Explanation :   Solution: Let C.P. of each chocolate be Re. 1. then, C.P. of 77 chocolates = Rs. 77;   S.P. of 77 chocolates =Rs. 121.   .'. Gain% = 44*100/77 = 57.14%   Answer : 57.14%
<result>C</result>
If the cost price of 121 chocolates is equal to the selling price of 77 chocolates, the gain percent is :