In a restaurant, the profit is 130% of the cost. If the cost increases by 12% but the selling price remains constant, approximately what percentage of the selling price is the profit?	Choose the correct choice from the following choices.
A) 30%
B) 51%
C) 90%
D) 100%
E) None of these
Explanation :   Let C.P.= Rs. 100. Then, Profit = Rs. 130, S.P. = Rs. 230.   New C.P. = 112% of Rs. 100 = Rs. 112   New S.P. = Rs. 230.   Profit = Rs. (230 - 112) = Rs. 118.   Required percentage = (118 /230 *100) % = 51 % appox   Answer : 51%
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In a restaurant, the profit is 130% of the cost. If the cost increases by 12% but the selling price remains constant, approximately what percentage of the selling price is the profit?