If 6 workers can complete 9 identical jobs in 3 days, how long (in days) will it take 4 workers to complete 10 such jobs?
A
5
B
4
C
6
D
3
Correct Answer: 5
6 workers - 9 jobs in 3 daysIn one day 6 workers can do 3 jobsIn one day 1 worker can do 0.5 job4 workers can so 2 jobs in a day So. They can do 10 jobs in 5 days