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A and B can do a job in 10 days and 5 da...

A and B can do a job in 10 days and 5 days, respectively. They worked together for two days, after which B was replaced by C and the work was finished in the next three days. How long will C alone take to finish 40% of the job?

A

15 days

B

12 days

C

18 days

D

10 days

Text Solution

Verified by Experts

The correct Answer is:
B
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