1.

12 men can do a piece of work in 15 days and 20 women can do the same work in 12 days. In how many days can 5 men and 5 women complete the same work ?

A. ${\text{20}}\frac{4}{7}{\text{ days}}$$
B. ${\text{2}}\frac{4}{7}{\text{ days}}$$
C. ${\text{20}}\frac{3}{7}{\text{ days}}$$
D. 8 days
Answer» B. ${\text{2}}\frac{4}{7}{\text{ days}}$$


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