Question
Albela Sells Chocolates in the packs of 6 chocolates,
12 chocolates, 18 chocolates and 24 chocolates etc, but the rate is necessarily uniform. One day Bablu purchased at the rate of 6 chocolates for a rupee and the next day he purchased equal number of chocolates at the rate of 12 chocolates for a rupee. Next day he sold all the chocolates at the rate of 18 chocolates for Rs. 2. What is his percentage profit or loss?Solution
Cost of one chocolate (in first case) = 1/6 = 16.66 paise Cost Price of one Chocolate (in second case) = 1/12 = 8.33 paise Average Cost Price of one chocolate = ((16.66 + 8.33)/2) = 12.5 paise Selling Price of one chocolate = 200/18 paise Loss % = (12.5- 200/18  )/12.5  ×100 = 25/(18 ×12.5)  ×100 = 11.11%
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