Gotchas 

Using exactly four straight lines, without taking your pen off the (virtual) paper, can you join all nine dots?



Note: this puzzle isn't interactive, and can't be clicked.

A Charming Puzzle – Twentieth Century Standard Puzzle Book, A. Cyril Pearson.

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If...

   ⁷/₂₈ of 64 is 16,

   and ⁹/₁₂ of 100 is 75,

   and ³/₉ of 33 is 11,

what is ⁵/₁₅ of 45?

Puzzle Copyright © Kevin Stone

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Can you draw a line through all of the edges in this picture?

Each side is broken into 2 or 3 edges, and there are also 7 edges inside that you have to cross. The line must be continuous, and cross each edge exactly once.

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The other day I was sitting in my local tavern, The Spyglass, which overlooks the sea, when in sailed my old friend the pirate Captain Conan Drum. "Well, shiver me barnacles!" he roared on seeing me. He too is a bit of a puzzle addict and so, after joining me for a glass of milk and telling me about his latest exploits on the high seas, he couldn't resist showing me his latest conundrum.

He reached into one of his jacket pockets and produced seven gleaming £5 coins, which he then proceeded to arrange on the table in front of me exactly as shown below. "Now, me lad." he said, with a mischievous look in his eyes. "I'll wager you'll not be able to solve this one. Take away two coins from this here arrangement to leave five coins across and three coins going down."

It was clear the wily old sea dog still had one or two tricks up his sleeve, as I couldn't for the life of me see how it could be done. Can you see through his skulduggery and solve it?

Puzzle Copyright © Lloyd King

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