Krishna, Sudhir, and Ashok can complete a piece of work in 24,6 and 12 days respectively. Working together , they will complete the same work in :
(Krishna+Sudhir+Ashok)'s 1 day's work = (1/24+1/6+1/12)
So, Krishna, Sudhir and Ashok together will complete the job in 24/7.
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