A) 15 days
B) 18 days
C) 20 days
D) 24 days
Correct Answer: B
Solution :
If Tapas alone takes x days to complete the work, then \[\frac{1}{x}+\frac{1}{2x}=\frac{1}{12}\] \[\Rightarrow \] \[\frac{2+1}{2x}=\frac{1}{12}\] \[\Rightarrow \] \[2x=36\] \[\Rightarrow \] \[x=18\] daysYou need to login to perform this action.
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