Efficiency ratio of A, B and C is 3 : 2 : 4. If C alone can complete the work in 15 days, then in what time will A, B and C together finish (\frac{3}{4}) part of the same work?
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Efficiency ratio of A, B and C is 3 : 2 : 4. If C alone can complete the work in 15 days, then in what time will A, B and C together finish (\frac{3}{4}) part of the same work?