# Math Puzzle . ca - math and logic puzzles

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## THE SHEEPFOLD.

(

Patchwork Puzzles)

It is a curious fact that the answers always given to some of the

best-known puzzles that appear in every little book of fireside

recreations that has been published for the last fifty or a hundred

years are either quite unsatisfactory or clearly wrong. Yet nobody ever

seems to detect their faults. Here is an example:--A farmer had a pen

made of fifty hurdles, capable of holding a hundred sheep only.

Supposing he wanted to make it sufficiently large to hold double that

number, how many additional hurdles must he have?

Read Answer