Aptitude - Time and work - Discussion

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Q.

A and B can do a piece of work in 12 days; Band C can do it in 15 days ; A and C can do it in 20 days. In how many days will A, Band' C finish it, working all together?Also ,find the number of days taken by each to finish it working alone.                         
A. For A 30 days,B 20 days,C 60 days B. For A 30 days,B 30 days,C 60 days
C. For A 30 days,B 20 days,C 30 days D. For A 30 days,B 30 days,C 30 days

Answer: Option A
Explaination:

 


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