P is 20% more efficient than Q. If Q alone can finish a work in 10 days, then in how many days P alone will finish the work?

P is 20% more efficient than Q. If Q alone can finish a work in 10 day

1.	P is 20% more efficient than Q. If Q alone can finish a work in 10 days, then in how many days P alone will finish the work?
A.	8.5
B.	25/3
C.	9
D.	12
Answer» C. 9

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P is 20% more efficient than Q. If Q alone can finish a work in 10 days, then in how many days P alone will finish the work?

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