Showing posts with label logical games online. Show all posts

Saturday, June 27, 2015

Four Hats

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Four men have been buried all the way to the neck, only their heads stick out. They cannot turn their heads, so they can see only in front of them. A wall has been placed between A and B, so that A cannot see the other 3 (B, C, D), and viceversa. All of them know in which position...
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Friday, June 12, 2015

Carpet Layer

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Walter Wall is a carpet layer. He and his two apprentices are asked by a nightclub owner to give a quote on laying carpet. The owner indicates an oblong dance floor (figure on the right) and tells them that he wants a square of carpet adjacent each of the sides and running its entire...
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Friday, April 3, 2015

Trick Mules

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Start with the three puzzle pieces arranged so that the two jockeys are correctly riding the two weary-looking mules. Rearrange the pieces so that the mules miraculously break into a frenzied gallop! Solution  Notes: The mules do not overlap. There is a clever, but not...
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Wednesday, March 4, 2015

Poker Results

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Alice, Barbara, Claire, Daniel and Edward are discussing the result of the card game of the previous night. Person #1 (woman): "Claire is single. The sisters and brothers all together totalled a loss of £9." Person #2 (man): "My wife and I have lost a total of £1." Person #3...
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Monday, December 29, 2014

100

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Find at least four ways of writing the number 100, each time using only one digit repeated five times. For example: (999 / 9) - 9 = 102 (but you must get 100, not 102!!!) Good luck! Solution 100 Puzzle Solution 111 - 11 = 100 (3 * 33) + (3 / 3) = 100 (5 * 5 * 5) - (5 * 5) = 100 (5 + 5 + 5 + 5) * 5 = 100 (11 - 1) ^ ( 1 + 1) = 100 [Thanks to Steven Renich for that one!] ((2...
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Sunday, October 5, 2014

Faulty Batches

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"This time," said the Treasury Minister, "I ditched those dodgy Europeans, and I have assigned the manufacture of our gold coins to five American companies. Look, they are all shining and beautiful, and they are all exactly the same!" The secretary looked at the coins, weighed some of them, and cleared his throat. "Ahem, Sir. I would like to point out that here we have at least...
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