A group of men decided to do a job in 5 days, but 10 men kept dropping out every day. If a job was completed at the end of the 6th day, find the initial number of men who had signed up for the work.
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Step-by-step explanation:
Let X be the initial number of men then,
According to the question,
5X = X + (X - 10) + (X - 20) + (X - 30) + (X - 40) + (X - 50)
⇒ 5X = 6X - 150
⇒ 6X - 5X = 150
⇒ X = 150 men
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