1.

A can finish a work in 18 days and B can do the same work in half the time taken by A. What part of the same work they can finish in a day if they work together?

A. \[\frac{1}{6}\]                          
B. \[\frac{1}{9}\]              
C. \[\frac{2}{5}\]              
D.        \[\frac{2}{7}\]  
Answer» B. \[\frac{1}{9}\]              


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