There was once a farmer who had three sons and one little daughter. The eldest son was a studious boy who learned so much out of books that the farmer said: We must send Mihailo to school and make a priest of him. The second boy was a tr... Read more of The Laughing Prince at Children Stories.ca Informational Privacy
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## THE FIFTEEN DOMINOES.

(Combination and Group Problems)
In this case we do not use the complete set of twenty-eight dominoes to
be found in the ordinary box. We dispense with all those dominoes that
have a five or a six on them and limit ourselves to the fifteen that
remain, where the double-four is the highest.
In how many different ways may the fifteen dominoes be arranged in a
straight line in accordance with the simple rule of the game that a
number must always be placed against a similar number--that is, a four
against a four, a blank against a blank, and so on? Left to right and
right to left of the same arrangement are to be counted as two different
ways.

Next: THE CROSS TARGET.

Previous: THE ANTIQUARY'S CHAIN.

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