In a certain store, the profit is 320% of the cost. If the cost increases by 20% but the selling price
remains constant, approximately what percentage of the selling price is the profit	Choose the correct choice from the following options.
A) 71%
B) 81%
C) 90%
D) 100%
E) None of above
Explanation:   Let C.P.= Rs. 100.   Then, Profit = Rs. 320,   S.P. = Rs. 420.   New C.P. = 120% of Rs. 100 = Rs. 120   New S.P. = Rs. 420.   Profit = Rs. (420 - 120) = Rs. 300   Required percentage = (300/420) * 100   = 71.40%(approx) =71%   71%nswer: 71%
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In a certain store, the profit is 320% of the cost. If the cost increases by 20% but the selling price
remains constant, approximately what percentage of the selling price is the profit