Total distance = 12 × (5 – 3) = 24 km Required time = 24/(5 + 8) = 3 hrs
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Efficiency of A, and B are in the ratio of 3 : 4. If both can do a work together in 30 days. Find out how much days A will take to complete the work alone?
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Rahul alone can do 60% of the same piece of work in (z-4) days. Queen and Rahul together can do 75% of the same piece of work in (0.5z+4) days. Pankaj a...
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