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Q: A, B and C can complete a piece of work in 10, 12, and 15 days respectively, They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days was the work completed?

A. 4 days
B. 5 days
C. 7 days
D. 8 days
Answer» D. 8 days


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