Question

24 man working at 8 hours per day can do a piece of work in 15 day.in how many days can 20 man working at 9 hours per day do the same work?

Answer 1

Answer:

no.of mens                 no.of days

24                                          15

20                                           ?

24:20::15:x

product of extremes = product of means

24*x=20*15

24*x=300

x=300/24

x=12.5

Step-by-step explanation: