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Question

P can do a piece of work in 20 days, Q can do the same piece of work in 24 days while R can do it in 30 days. They started working together but after 4 days ‘P’ left the work and the remaining work was completed by Q and R together. Find in how many days the remaining work will be completed?

A 6(1/3)

B 6(1/2)

C 6(2/3)

D 5(2/3)

E None of these

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