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Enigmas and puzzles

By Ian Stewart   January 2009

It was the new year and Annabel, Belinda, Carmen and Davina went on their traditional shopping trip to the sales. “Mind you,” Belinda said, “the sales are all year round now.”

“True,” said Davina. “But we must show some responsibility this year and limit our purchases to things that really matter.”

“Like what?” asked Annabel.

“Well—uh— “

“I know!” said Carmen. “Let’s all agree to buy only one bottle of perfume and spend everything else on handbags.”

And so they did. It turned out that all the bottles of perfume cost the same amount. Handbags were more expensive than…

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