If 3 persons do 3 times of a particular work in 3 days, then 7 persons can do 7 times of that work in _________.
- 3 days
- 5 days
- 6 days
- 7 days
Explanation
3 persons can do 3 jobs in 3 days
1/3 of the work will take 1/3 of the time, so
3 people can do 1 job in 1 day
It will take 1 person 3 times as long, so
1 person can do 1 job in 3 days
7 persons can do 7 times the work in the same time, so
7 persons can do 7 jobs in 3 days
Related MCQs
- 8
- 8.5
- 9
- None of these
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