1.

A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in

A.  5 days                         
B.  6 days         
C.  10 days
D.  \[10\frac{1}{2}\] days
Answer» D.  \[10\frac{1}{2}\] days


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