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1. What is the percent profit earned by the shopkeeper on selling the articles in his shop? I. Labeled price of the articles sold was 130% of the cost price. II. Cost price of each article was Rs. 550. III. A discount of 10% on labeled price was offered.
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By: guest on 01 Jun 2017 05.48 pm
I. Let C.P. be Rs. x. Then, M.P. = 130% of x = Rs. 13x . 10 III. S.P. = 90% of M.P. Thus, I and III give, S.P. = Rs. 90 x 13x = Rs. 117x 100 10 100 Gain = Rs. 117x - x = Rs. 17x 100 100 Thus, from I and III, gain % can be obtained. Clearly, II is redundant.