A) 8 days
B) 10 days
C) 6 days
D) 4 days
Correct Answer: A
Solution :
Work done by A and B together it 1 day \[=\frac{2}{6}-\left( \frac{1}{12}+\frac{1}{8} \right)\] \[=\frac{1}{3}-\frac{5}{24}\] \[=\frac{8-5}{24}=\frac{3}{24}=\frac{1}{8}\] Hence, A and B together can complete it in 8 days.You need to login to perform this action.
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