Pictured Puzzles and Word Play / A Companion to the Twentieth Century Standard Puzzle Book

by A. Cyril Pearson

69

The Mental Arithmetic—

Set down three figures in a line,
Then multiply by four;
This, if you use the proper sign,
Makes five, and nothing more.

is solved by 1.25. In 1¹⁄₄ the figures are not in a line.

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