MBA CDOE (USOL) Panjab University MBA Entrance Exam with MCQ Answers 2017

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37.

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

A: 8/15
B: 1/2
C: 1/3
D: 3/5

The answer is: A

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