question_answer

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)        \[\frac{2}{7}\]