There are three glasses on the table - 3, 5, and 8 oz. The first two are empty, the last contains 8 oz of water. By pouring water from one glass to another make at least one of them contain exactly 4 oz of water.
posted by steven | 12:13 AM
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1 comments
Imagine a line running 100 paces east. Then from the end of that line, plant a line 100 paces north, then 100 west, 98 south, 98 east, 96 north, 96 west, and so on. This makes a square spiral path 2 paces wide. How long is the path?
posted by steven | 12:03 AM
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1 comments
Ten letters are placed in ten pre-addressed envelopes at random. What is the probability that exactly nine letters were placed in the proper envelope?
posted by steven | 12:21 AM
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2 comments