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… · ABC26GN3425

Subject: General Aptitude · Chapter: Time and Work

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)Less than 6 days
(b)Exactly 6 days
(c)Approximately 6.4 days
(d)More than 10 days
Answer
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Explanation
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