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2014-08-04T17:28:37+05:30

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Marked price MP = Rs 200
total discoutnt of the two successive discounts = (10 + 15 - 10*15/100) %
     = 25 - 1.5 = 23.5 %
purchase price = (100 - 23.5)/100  * 200 = Rs 153
Cost incurred before selling = purchase price + cost of transportation = 153 + 7
   = rs 160
Selling price = Rs 200
Profit = 200 - 160 = Rs 40
Gain percent = prfit % = profit * 100 / cost incurreed  = 40/160 * 100 = 25 %

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