Question
By selling an article for 2640, a person loses 15% of
its selling price. At what price (in RS) should he sell it to gain 15% on its cost price?Solution
SP of an article = Rs.2640 According to the question, => 0.15 = (CP – 2640)/2640 => CP = 396 + 2640 = Rs.3036 Gain% = 15% = (SP – 3036)/3036 => 3036 + 0.15 × 3036 => 3036 + 455.4 => 3491.4
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