Entry Test MCQ :: Time and Work Problems

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M and N working separately can complete a job in 6 and 12 hours respectively. If they work for an hour alternately M starting at 10:00 AM when will the job be done?

[A].	2:00 PM	[B].	8:00 PM
[C].	7:00 PM	[D].	6:00 PM

Answer: Option D

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