A) 2 Days
B) 3 Days
C) 4 Days
D) 5 Days
Correct Answer: B
Solution :
One day work of A and B together \[=\,\,\frac{1}{4}+\frac{1}{12}=\frac{3+1}{12}=\frac{4}{12}=\frac{1}{3}\] Days required by A and B together to do the work \[=\frac{1}{One\text{ }day\text{ }work\text{ }of\text{ }A\text{ }and\text{ }B\text{ }together}\] \[\]You need to login to perform this action.
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