Aptitude - Time and work - Discussion

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Q.

A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work?                         
A. A. 5 days B. B. 6 days
C. C. 8 days D. D. 9 days

Answer: Option B
Explaination:

 


Discussion

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