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

A, B and C together can finish a task in 12 days. A is twice as productive as B and C alone can do the task in 36 days. In how many days can A and B do the task if C goes on leave?

A

10

B

20

C

15

D

18

Text Solution

Verified by Experts

The correct Answer is:
D
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