August 12th Brain Teaser Solution


Brain Teasers: A brain teaser is a form of puzzle that requires thought to solve. It often requires thinking in unconventional ways with given constraints in mind; sometimes it also involves lateral thinking. Logic puzzles and riddles are specific types of brain teasers. Today's can be found below....

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The Teaser

Matthew walks up and down a hill which is three kilometers each way. His dog, being slower, walks at half the speed. When Matthew reaches the top of the hill he turns around and walks down to meet his dog part way. Matthew continues walking to the bottom of the hill maintaining his speed. The dog follows him, also maintaining his speed. How far does the dog walk?

 

 

The Solution

Four kilometers. When Matthew reaches the top of the hill, he will have walked three kilometers, and his dog will be half-way, or 1.5 kilometers. Matthew then turns around and walks back, but his dog continues walking up the hill until they meet. They will meet at the two kilometer point. The dog will turn around at this point and follow Matthew down the hill completing a 4 kilometer walk.

 

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Today's Puzzles:


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