A) 18 days
B) 24 days
C) 21 days
D) 27 days
Correct Answer: C
Solution :
Let B completes his work in 2x days. \[\therefore \] A complete his work in x days. \[\therefore \] \[\frac{1}{x}+\frac{1}{2x}=\frac{1}{14}\] \[\frac{3}{2x}=\frac{1}{14}\] \[x=\frac{3\times 14}{2}=21\] \[\therefore \] A can complete his work in 21 days.You need to login to perform this action.
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