Question: If the cost price of 50 articles is equal to the selling price of 20 articles, then the gain or loss percent is?\nOptions:\n(A) 16\n(B) 127\n(C) 12\n(D) 18\n(E) 150 Let's think first. Some random reasoning:
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Percentage of profit = 30/20 * 100 = 150% The final answer: (E).
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