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A can lay railway track between two given stations in 16 days............Then, C alone can do the job in how many days ?

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A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only.
Then, C alone can do the job in how many days ?

posted Dec 9, 2015 by Nikhil Pandey

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