Time and Work - Arithmetic Aptitude Questions and Answers

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A can do (1/3) of a work in 5 days and B can do (2/5) of the work in 10 days. In how many days both A and B together can do the work?

7 ¾

8 4/5

9 3/8

Answer : Option C

Explanation :

1/3 of work is done by A in 5 days

Therefore, whole work will be done by A in 15 days

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