1.

A can do \[\frac{1}{2}\] work in 5 days. B can do \[\frac{3}{5}\] of same work in 9 days and C can do \[\frac{2}{3}\] of that work in days. In how many days can three of them together do the work.

A. 5 days
B. \[4\frac{1}{2}\] days
C. 3 days
D. 4 days
Answer» E.


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