X men can do a work in 120 days. If there were 20 men less, the work would have taken 60 days more. What is the value of X?

Question: X men can do a work in 120 days. If there were 20 men less, the work would have taken 60 days more. What is the value of X?

1. 60

2.40

3.50

4.70


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