Question

20 women can complete a work in 15 days. 16 men can complete the same work in 15 days. Find the ratio between the work efficiency of a man to a woman.

• A. 5:4
• B. 4:3
• C. 5:3
• D. 3:2

Answer 1

Answer:

A. 5:4

$20W\Rightarrow15days$

$16M\Rightarrow15days$

efficiency of one woman is 15/20

efficiency of one man is 15/16

ratio of efficiency men to women is $\frac{\frac{15}{16}}{\frac{15}{20}}$$=$$\frac{15}{16}\times \frac{20}{15}$$\frac{20}{16}=\frac54$$=5:4$