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8.By selling 200 books, a man gains the selling price of 400 books. Find his gain percent00/ INhat will be the cain percent if sold for double |
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Answer» Selling books 200 SP of one book = x SP of 200books = 200x profit = 400x CP = 400-200 = 200x His gain in percent = 400x/200x x 100 = 200% |
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