Some years ago, there was a Mensa convention in San Francisco.
Mensa, is an international organization for people who have an IQ of 140 or higher.
Several of the Mensa members went out for lunch at a local cafe.
When they sat down, one of them discovered that their salt shaker contained pepper, and their pepper shaker was full of salt.
How could they swap the contents of the two bottles without spilling any, and using only the implements at hand?
Clearly — this was a job for Mensa minds.
The group debated the problem and presented ideas and finally, came up with a brilliant solution involving a napkin, a straw, and an empty saucer.
They then called the waitress over, ready to dazzle her with their solution.
Ma’am,” they said, “we couldn’t help but notice that the pepper shaker contains salt and the salt shaker contains pepper…
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