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Puzzle #231: How far did I walk, compared with my dog Zippy?

Can you solve this week’s arithmetical puzzle, Bark run? Plus the answer to puzzle #230

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Puzzle #230: Try to fathom the tourist-on-the-train photo problem

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Puzzle #229: Can you help Madeline cube her cheese efficiently?

Puzzle #229: Can you help Madeline cube her cheese efficiently?

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Puzzle #228: Can you create a pattern fitting my client’s fussy rules?

Puzzle #228: Can you create a pattern fitting my client’s fussy rules?

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Puzzle #227: How did Max the Magnificent pull off his card trick?

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Puzzle #226: Can you decipher the substitution cipher?

Puzzle #226: Can you decipher the substitution cipher?

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Puzzle #225: Can you work out which dominoes I hid?

Puzzle #225: Can you work out which dominoes I hid?

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Puzzle #224: Can you find the ring inside the Russian dolls?

Puzzle #224: Can you find the ring inside the Russian dolls?

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Puzzle #223: Can you work out the correct proportions of paint needed?

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Puzzle #222: Can you help Patty use her inaccurate scales?

Puzzle #222: Can you help Patty use her inaccurate scales?

Can you solve this week’s arithmetical puzzle, A question of balance? Plus the answer to puzzle #221

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Puzzle #221: How did each team do in the Logical World Cup?

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Puzzle #220: How many countries took part in the AI song contest?

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Puzzle #219: Can you work out where the second red queen will be?

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Puzzle #218: Can you work out how many children are in each group?

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