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     EduGorilla 
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    A is thrice as efficient as B and B is twice as efficient as C, if A, B and C w’ork together, then how long would they take to complete a job that B alone takes 10 days to complete?

    Options :-

    1. 20/9 days

    2. 11/9 days

    3. 3 days

    4. None of these

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