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A man sells three motors for ₹ 5,400, ₹ 3,300 and ₹4,350 respectively. He makes 20% profit on the first and 10% profit on the second but on the whole he loses `9(3)/(8)%`.What did the third motor car cost him ?A. ₹6500B. ₹6900C. ₹5100D. ₹7200 |
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Answer» Correct Answer - B S.P for the first car = ₹5,400 and profit = 20%. `therefore` C.P for the first car `= (100)/(120)xx 5,400 = ₹ 4,500` S.P for the second car = ₹ 3,300 and profit = 10% `therefore` C.P for second car `= (100)/(110) xx 3,300 = ₹ 3,000` and loss `= (75)/(8)%` S. P of three cars `= 5,400 + 3,300 + 4350 = ₹ 13,050` `therefore` Total C. P for the three cars `= (100xx 8)/(725) xx 13,050= 14,400` `therefore` C.P for third car `= 14,400 - 4,500 - 3,000 = ₹ 6,900` |
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