A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together? A.

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Question: A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together? A.

1. Less than 6 days

2.Exactly 6 days

3.Approximately 6.4 days

4.More than 10 days

Posted by R4R Team
  1. A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together? A.
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