M.Sc. Bio-Physics (PU-CET P.G) 2019 Panjab University Entrance Exam With Answers

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4.

A, B and C can complete a piece of work in 14, 6 and 12 days respectively. Working together, they will complete the work in

A: 19/9 days
B: 27 days
C: 28/9 days
D: 25/8 days

The answer is: C

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