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If there are forty cups on the table and one cup breaks, how many tea cups are left?
[Ref: ZDOG]
Hint: Say it out loud.
Answer: 3: we started with 4 tea cups (forty cups) and one broke.
Puzzle 22
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?
Answer:
There are 7 chickens, 28 mice and 280 ants.
For every chicken (2 legs) we have 4 mice (16 legs) and 40 ants (240 legs) = 258 legs.
So we can divide the total number of legs by 258, giving 1806 ÷ 258 = 7 (chickens). QED.
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