एका व्यक्तीने 160 रुपयाच्या 90 बोलपेन विकल्या तर त्याला 20% तोटा झाला तर 96 रुपयाच्या किती बॉलपेन विकल्या तर त्याला 20% नफा होईल
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SP of one ball pen 160/90= Rs 16/9.
If the loss is 20%, the CP = (100/80)(16/9) = Rs 20/9.
SP if profit is to be 20% = (1.2) (20/9) = Rs 8/3.
So number of pens to be sold for Rs 96 so as to have 20% profit = 96/(8/3) = 96(3/8) = 36
SP → SELLING PRICE विक्रीची किंमत
profit → नफा
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