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.

Challenger App

No.1 PSC Learning App

★

1M+ Downloads

Get App

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.

A5:4

B4:3

C5:3

D3:2

Answer:

A. 5:4

Read Explanation:

$20W\Rightarrow15days$

$16M\Rightarrow15days$

efficiency of one woman is 15/20

efficiency of one man is 15/16

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

Read more in App

Related Questions:

Three pipes A, B, C can empty a tank in 10 hours, 15 hours, 30 hours respectively. If all the three pipes are open simultaneously how much time will the tank be empty.

In a computer game, a builder can build a wall in 20 hours while a destroyer can completely demolish such a wall in 40 hours. In the beginning, both builder and destroyer were set to work together on a basic level. But after 30 hours the destroyer was withdrawn. What was the total time taken to build the wall?

51 men can complete a work in 12 days. Four days after they started working 6 more men joined them. How many days will they now take to complete the remaining work?

A tank can be filled by two taps X and Y in 5 hrs and 10 hrs respectively while another tap Z empties the tank in 20 hrs. In how many hours can the tank be filled, if all 3 taps are kept open?

A, B and C can do a work in 20, 30 and 60 days respectively. If total Rs, 3000 is given to them, then find their individual share.