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Common Answers

Have you entered September's Common Answers?

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Puzzle - Answer

In the town of Biddulph, 7% of all telephone subscribers are ex-directory.

If you pick 500 people at random from the telephone directory, how many will have ex-directory numbers?

 [Ref: ZUVW]

Answer: None.

They are ex-directory, and therefore are not in the directory!

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