A) 48 days
B) 36 days
C) 27 days
D) 24 days
Correct Answer: B
Solution :
According to question, (A?s 1day's work) : (B's 1 day's work) = 2 : 1 Now (A + B)'s 1 day's work \[=\frac{1}{12}\] \[\therefore \] B's 1 day's work\[=\frac{1}{12}\times \frac{1}{3}=\frac{21}{36}\] \[\therefore \] B can finish the whole; work in 36 daysYou need to login to perform this action.
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