P can do piece of work in 12 days, while Q alone can finish it in 8 days. With the help of R, they can finish the work in 4 days. How long will R take to finish the work alone ?

P can do piece of work in 12 days, while Q alone can finish it in 8 da

1.	P can do piece of work in 12 days, while Q alone can finish it in 8 days. With the help of R, they can finish the work in 4 days. How long will R take to finish the work alone ?
A.	25 days
B.	34 days
C.	14 days
D.	24 days
E.	None of the above
Answer» E. None of the above

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P can do piece of work in 12 days, while Q alone can finish it in 8 days. With the help of R, they can finish the work in 4 days. How long will R take to finish the work alone ?

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