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A,B and C together can finish a task in ...

A,B and C together can finish a task in 7.5 days. C is thrice as productive as A and B alone can do the task in 15 days. In how many days can A and C do the job if B goes on leave?

A

30

B

10

C

20

D

15

Text Solution

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The correct Answer is:
D
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