Big Hole
It takes two men three hours to dig a hole four feet long, four feet wide, and four feet deep. How many hours will it take the same two men to dig a hole 8 feet long, 8 feet wide, and 8 feet deep.
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Elementary Brain Teaser
Fun and accessible problems for younger students or beginners. Posted every Monday, these weekly brain teasers kickstart your week with a mental warm-up.
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