Aptitude - Time and work - Discussion

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Q.

A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?                         
A. A. 10 days B. B. 11 days
C. C. 15 days D. D. 20 days

Answer: Option C
Explaination:

 


Discussion

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