Henry Ernest Dudeney/Puzzles and Curious Problems/293 - The Twenty Pennies

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Puzzles and Curious Problems by Henry Ernest Dudeney: $293$

The Twenty Pennies
If sixteen pennies are arranged in the form of a square
there will be the same number of pennies in every row, column and each of the long diagonals.
Can you do the same with twenty pennies?


Click here for solution

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