P can do a work in 24 days. Q can do the same work in 9 days and R can do the same in 12 days. Q and R start the work and leave after 3 days. P finishes the remaining work in_________days.

P can do a work in 24 days. Q can do the same work in 9 days and R can

1.	P can do a work in 24 days. Q can do the same work in 9 days and R can do the same in 12 days. Q and R start the work and leave after 3 days. P finishes the remaining work in_________days.
A.	10
B.	9
C.	11
D.	12
Answer» B. 9

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