Explanation:
CP of first = 1000/1.2 = 833.33; CP of second = 1000/0.8 = 1250; total CP = 2083.33; total SP = 2000; loss = 83.33; loss% = (83.33/2083.33)*100 = 4%.
A man buys oranges at 5 for Rs. 10 and an equal number at 4 for Rs. 10. He mixes them and sells them at 9 for Rs. 20. What is his profit or loss percentage?
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