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     EduGorilla 
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    Suzi works for 5 hours a day for 10 days and completes a piece of work. Rock works for 8 hours for 20 days to complete the same job. Find the ratio of their efficiencies.

    Options :-

    1. 3 : 1
    2. 3 : 2  
    3. 2.5 : 1
    4. 16 : 5
    5. 7 : 2  
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Reply To: Suzi works for 5 hours a day for 10 days and completes a piece of work. Rock works for 8 hours for 2….
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