Mathematics · Work and Time
A group of persons can complete a piece of work in a certain time. If there were 4 more persons, they would take 2 days less to complete it. If there were 6 persons less, they would take 4 days more to complete it. What was the initial number of persons in the group?
- 132
- 236✓
- 345
- 440
Correct answer
36
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