Puzzles and Riddles
a thread by Puzzle-Box Logician started on 2189-02-04 07:56:34 last post on 2189-03-16 05:25:33
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 Puzzle-Box Logician An idea is valid no matter its source. |
You find yourself playing a game with your friend. It is played with a deck of only 16 cards, divided into 4 suits: Red, Blue, Orange and Green. There are four cards in each suit: Ace, King, Queen and Jack. Ace outranks King, which outranks Queen, which outranks Jack - except for the Green Jack, which outranks every other card.
If two cards have the same face value, then Red outranks Blue, which outranks Orange, which outranks Green, again except for the Green Jack, which outranks everything. Here's how the game is played: you are dealt one card face up, and your friend is dealt one card face down. Your friend then makes some true statements, and you have to work out who has the higher card, you or your friend. It's that simple! Round 1: You are dealt the Green Ace and your friend makes three statements: 1. My card is higher than any Queen. 2. Knowing this, if my card is more likely to beat yours, then my card is Blue. Otherwise it isn't. 3. Given all of the information you now know, if your card is more likely to beat mine, then my card is a King. Otherwise it isn't. Who has the higher card, you or your friend? ((OoC: Avatar now in color thanks to the ever awesome Neila!)) |
 TadpoleTech Like light in the wind. |
Puzzle-Box Logician wrote:You find yourself playing a game with your friend. It is played with a deck of only 16 cards, divided into 4 suits: Red, Blue, Orange and Green. There are four cards in each suit: Ace, King, Queen and Jack. Ace outranks King, which outranks Queen, which outranks Jack - except for the Green Jack, which outranks every other card.
If two cards have the same face value, then Red outranks Blue, which outranks Orange, which outranks Green, again except for the Green Jack, which outranks everything. Here's how the game is played: you are dealt one card face up, and your friend is dealt one card face down. Your friend then makes some true statements, and you have to work out who has the higher card, you or your friend. It's that simple! Round 1: You are dealt the Green Ace and your friend makes three statements: 1. My card is higher than any Queen. 2. Knowing this, if my card is more likely to beat yours, then my card is Blue. Otherwise it isn't. 3. Given all of the information you now know, if your card is more likely to beat mine, then my card is a King. Otherwise it isn't. Who has the higher card, you or your friend? Statement 1: Friend's card is higher than any Queen. Therefore Friend's card must be: -Any Ace (but not Green) or King; green Jack Statement 2: If Friend's card win probability > my card win probability, Friend's card = blue. If reverse, Friend's card = not blue. -Friend's card win probability = my card win probability, therefore Friend's card = not blue. Therefore, Friend's card = Red Ace, Orange Ace, Statement 3: If my card win probability > Friend's card win probability, Friend's card = king. If reverse, Friend's card = not king. -My card win probability = Friend's card win probability, therefore Friend's card = not king. Therefore, Friend's card = Red Ace, Orange Ace, Green Jack. All of which score higher than Green Ace. Therefore, Friend has higher card. |
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Puzzle-Box Logician An idea is valid no matter its source. |
Very good. Proceed.
((OoC: Avatar now in color thanks to the ever awesome Neila!)) |
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TadpoleTech Like light in the wind. |
Hm.
There was once a recluse who never left his home. The only time anyone ever visited him was when his food and supplies were delivered, but they never came inside. Then, one stormy winter night when an icy gale was blowing, he had a nervous breakdown. He went upstairs, turned off all the lights and went to bed. Next morning, he had caused the deaths of several hundred people. How? |
 Diplomatic Immunity Human diplomat who travels the galaxy to promote goodwill and friendship between all sapient species. |
TadpoleTech wrote:Hm.
There was once a recluse who never left his home. The only time anyone ever visited him was when his food and supplies were delivered, but they never came inside. Then, one stormy winter night when an icy gale was blowing, he had a nervous breakdown. He went upstairs, turned off all the lights and went to bed. Next morning, he had caused the deaths of several hundred people. How? He was a lighthouse keeper. Who turned of the light causing shipwrecks. Signed Albert Lowell Diplomatic Attaché to the Office of Rear Admiral O'Reilly, Ambassador at large for The Earth Systems Alliance. |
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TadpoleTech Like light in the wind. |
That is correct. Your turn.
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Diplomatic Immunity Human diplomat who travels the galaxy to promote goodwill and friendship between all sapient species. |
A Krogan and a Salarian are trapped on a planet. They are enemies, but they cannot kill each other. On this planet there are 9 pools. Numbered 1, 2, 3, 4, 5, 6, 7, 8 and 9. Each of these pools contain a very potent poison that can easily kill either of them within days. The only antidote to the poison is the poison of the pools with a higher number. (When drinking it to use as antidote it doesn't poison them.) So if they drink from pool number 1 they will need to drink from one of the other 8 pools or die. But if they would drink from pool number 5 they can only use water from 6, 7, 8 or 9 to save themselves. Due to the geology the salarian can only reach up to pool 8, while the krogan can reach all the pools.
Finally fed up with their stalemate the krogan proposes to the salarian that each of them would grab a goblet, fill it including the water from the pools and hand it over to the other one who has to drink it. Furthermore, afterwards each can drink from the pool of their choosing. After all is said and done the salarian is still alive and the krogan is dead. How is this possible? Signed Albert Lowell Diplomatic Attaché to the Office of Rear Admiral O'Reilly, Ambassador at large for The Earth Systems Alliance. |
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Click To Read Out Of Character Comment by
Neila_Soree
Posted on 2189-03-16 05:25:33Repost w/link:A variant of this one has already been listed in this thread. In case you wanna change it before someone adjusts the same answer
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