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  • A can do a job in 30 days and B can do the same job in 25...
Multiple choice

A can do a job in 30 days and B can do the same job in 25 days. If they work together for 5 days on this job, what fraction of the job is completed?

  1. 11/40

  2. 11/30

  3. 11/15

  4. 11/30

  5. None of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Work done in 5 days = (11/150)*5 = 11/30

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