Henry Ernest Dudeney/Puzzles and Curious Problems/148 - A Menagerie

by : $148$

 * A Menagerie
 * A travelling menagerie contained two freaks of nature -- a four-footed bird and a six-footed calf.
 * An attendant was asked how many birds and beasts there were in the show, and he said:
 * "Well, there are $36$ heads and $100$ feet altogether.
 * You can work it out for yourself."