1.

A and B can complete a piece of work in 12 and 18 days respectively. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be completed in ?

A. ${\text{14}}\frac{1}{3}{\text{ days}}$$
B. ${\text{15}}\frac{2}{3}{\text{ days}}$$
C. ${\text{16}}\frac{1}{3}{\text{ days}}$$
D. ${\text{18}}\frac{2}{3}{\text{ days}}$$
Answer» B. ${\text{15}}\frac{2}{3}{\text{ days}}$$


Discussion

No Comment Found