In a certain store, the profit is 320% of the cost. If the cost increases by 45% but the selling price
remains constant, approximately what percentage of the selling price is the profit  Choose the correct option: A) 65% B) 80% 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. = 145% of Rs. 100 = Rs. 145   New S.P. = Rs. 420.   Profit = Rs. (420 - 145) = Rs. 275   Required percentage = (275/420) * 100   = 65.4% = 65%(approx)   65%nswer: 65%
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In a certain store, the profit is 320% of the cost. If the cost increases by 45% but the selling price
remains constant, approximately what percentage of the selling price is the profit