and trace out a very familiar proverb by passing always from a cell to one that is contiguous to it. If you take the right route you will have visited every cell once, and only once. The puzzle is much easier than it looks.

it may be accepted as a good maxim that a puzzle is of little real value (1/3)

400. THE MAGIC STRIPS. I happened to have lying on my table a number of strips of cardboard,

with numbers printed on them from 1 upwards in numerical order. The idea suddenly came to me, as ideas have a way of unexpectedly coming, to make a little puzzle of this. I wonder whether many readers will arrive at the same solution that I did.

Take seven strips of cardboard and lay them together as above. Then write on each of them the numbers 1, 2, 3, 4, 5, 6, 7, as shown, so that (1/3)

"Here is a diagram of a chessboard," he said. "You see there are sixty-four squares--eight by eight. Now I draw a straight line from the top left-hand corner, where the first and second squares meet, to the bottom right-hand corner. I cut along this line with the scissors, slide up the piece that I have marked B, and then clip off the little corner C by a cut along the first upright line. This little piece will exactly (1/4)

then move a second queen under a similar condition, then a third queen, (1/2)

285. THE FOUR POSTAGE STAMPS.

+---+----+----+----+

| 1 | 2 | 3 | 4 |

+---+----+----+----+

| 5 | 6 | 7 | 8 |

+---+----+----+----+

| 9 | 10 | 11 | 12 |

+---+----+----+----+

"It is as easy as counting," is an expression one sometimes hears. But mere counting may be puzzling at times. Take the following simple example. Suppose you have just bought twelve postage stamps, in this form--three by four--and a friend asks you to oblige him with four (1/2)

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Puzzles from Henry Ernest Dudeney's "Amusements in Mathematics"

Source: https://www.gutenberg.org/ebooks/16713

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