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If it took eight men ten hours to build a wall, how long will it take four men to build it?

Retry Correct Incorrect If it took eight men ten hours to build one particular wall, it would take four men to build it no time at all. This is because the wall was already built by the eight men.

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David McNew/Getty Images

David McNew/Getty Images

If it took eight men ten hours to build a wall, how long will it take four men to build it?

• 0 hours
• 16 hours
• 20 hours
• 8 hours