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It takes 10 people 5 days to complete a piece of work at a factory when working 2 hours a day. Working at the same pace, how many days will it take 2 people to do the same work, if they are working 5 hours a day?

2
20
10
15

The Fact

With an incredible score of 210, Kim Ung-Yong holds the Guinness World Record for the highest IQ ever. His numeracy skills are amazing and at the age of just four, he was enrolled in college courses.

Usually rich men do not do their job just for money, they can force money to do the job for their. It's just like in banking: credits work for banks.