Henry Ernest Dudeney/Puzzles and Curious Problems/7 - Squaring Pocket-Money
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Puzzles and Curious Problems by Henry Ernest Dudeney: $7$
- Squaring Pocket-Money
- A man has four different English coins in his pocket,
- and their sum in pence was a square number.
- He spent one of the coins, and the sum of the remainder in shillings was a square number.
- He then spent one of the three, and the sum of the other two in pence was a square number.
- And when he deducted the number of farthings in one of them from the number of halfpennies in the other, the remainder was a square number.
- What were the coins?
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Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Arithmetical and Algebraical Problems: Money Puzzles: $7$. -- Squaring Pocket-Money