• # question_answer 37) B and C can complete a piece of work in 12 days, C and A can do it in 8 days. All the three can do it in 6 days. A and B together can complete it in? A) 8 days              B) 10 daysC) 6 days              D) 4 days

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.