Question

Six workers can do 9 identical jobs in 3 days. How long will it take 4 workers to do 10 such jobs ???

Answer 1

6 workers-9 jobs in 3 days
In one day 6 workers can do 3 jobs
In one day 1 worker can do 0.5 job
4 workers can so 2 jobs in a day
So. They can do 10 jobs in 5 days