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Person A completes a certain amount of work in one day that is half of what Person B can complete in a day. Person B's daily work rate is half of ...

Placements Medium Time & Work MCQ

Question

Person A completes a certain amount of work in one day that is half of what Person B can complete in a day. Person B's daily work rate is half of Person C's daily work rate. If Person C can finish the entire work in 7 days working alone, how many days will it take for all three persons working together to complete the work?

Options

A.

4

B.

14

C.

21

D.

28

s.b.i.p.o., 2008work ratecombined efficiencytime calculation

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