Description: The complete resource for free math puzzles. Start challenging yourself with this collection of challenging math puzzles. Chessboard Greek Cross Puzzles Magic Squares Money Puzzles.
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On another occasion a certain knight, Sir Ralph de Bohun, was a guest of the monks at Riddlewell Abbey. Towards the close of a sumptuous repast he spoke as follows:—
"My Lord Abbot, knowing full well that riddles are greatly to thy liking, I will, by your leave, put forth one that was told unto me in foreign lands. A body of Crusaders went forth to fight the good cause, and such was their number that they were able to form themselves into a square. But on the way a stranger took up arms and joined them, and they were then able to form exactly thirteen smaller squares. Pray tell me, merry monks, how many men went forth to battle?"
Abbot David pushed aside his plate of warden pie, and made a few hasty calculations.