I have found some smart questions and are interested in doing so :)

Source: Internet
Author: User
2008-fresh graduates-campus recruitment information blog

The blind guys have two blind guys. They both bought two black so and two white so. The eight so have the same cloth quality and size, and each so has a trademark paper attached. The two blind people accidentally mixed eight pairs of so. How can they retrieve black and white so pairs?

You have four cans containing pills. Each pill has a certain weight. The contaminated pills are not contaminated. + 1. how can I determine which jar of medicine is contaminated once?

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