Aptitude - Time and work - Discussion

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Q.

A can do a piece of work in 10 days which B alone can do in 12 days. In how many days will they finish the work, both working together?                         
A. 5 5/11 days B. 5 5 /9 days
C. 5 5/13 days D. 5 5/17 days

Answer: Option A
Explaination:

 


Discussion

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