Crab's WeightOutline Mathematics
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"What's the weight of this one?" asked Mrs Pothersniff, pointing to a large crab there on the wet slab. Fred considered the question a moment. He had to have his little joke, and Fred was no respecter of persons. "It weighs exactly three quarters of its weight, and three quarters of three quarters of a pound," he told the pompous customer. "I guess you'll want it dressed." The lady wasn't amused! But what did the crab weigh? |
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Copyright © 1996-2012 Alexander Bogomolny
Solution
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"What's the weight of this one?" asked Mrs Pothersniff, pointing to a large crab there on the wet slab. Fred considered the question a moment. He had to have his little joke, and Fred was no respecter of persons. "It weighs exactly three quarters of its weight, and three quarters of three quarters of a pound," he told the pompous customer. "I guess you'll want it dressed." The lady wasn't amused! But what did the crab weigh? |
(In the applet below, click on the underlined omitted expressions. See what happens.)
Do not forget to check your solution.
References
- J. A. H. Hunter, Mathematical Brain-Teasers, Dover Publications, 1976
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Copyright © 1996-2012 Alexander Bogomolny
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