A) \[\frac{1}{9}\]
B) \[\frac{1}{6}\]
C) \[\frac{2}{5}\]
D) \[\frac{2}{7}\]
Correct Answer: B
Solution :
B Can do the same work in\[=\frac{18}{2}=9\,\,days\] Then, They can finish the part of the same work in a day \[=\frac{1}{18}+\frac{1}{9}\] \[=\frac{1+2}{18}=\frac{3}{18}=\frac{1}{6}\]You need to login to perform this action.
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