P can do a piece of work in 18 days and Q can do in 22 days, with the help of C, they finish the work in 6 days. How long will it take R to finish the work?

P can do a piece of work in 18 days and Q can do in 22 days, with t

1.	P can do a piece of work in 18 days and Q can do in 22 days, with the help of C, they finish the work in 6 days. How long will it take R to finish the work?
A.	17days
B.	18days
C.	16 ½ days
D.	17 ½ days
Answer» D. 17 ½ days

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P can do a piece of work in 18 days and Q can do in 22 days, with the help of C, they finish the work in 6 days. How long will it take R to finish the work?

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