1.

Working 5 hours a day, A can complete a piece of work in 8 days and working 6 hours a day, B can complete the same work in 10 days. Working 8 hours a day, they both can complete the work in:

A. 4 days
B. 5.4 days
C. 4.5 days
D. 3 days
Answer» E.


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