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1. If 6 workers can complete 9 identical job in 3 days, how long (in days) will it take 4 workers to complete 10 such jobs?
- A. 5
- B. 5
- C. 5
- D. 5
Answer: Option A
Explanation:
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
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
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