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 Nine cards (Posted on 2005-10-14)
Nine cards are disposed as shown:
```           +---+---+---+
| a | b | c |
+---+---+---+
| d | e | f |
+---+---+---+
| g | h | i |
+---+---+---+
```

1) There are, at least, two Aces, two Kings, two Queens and two Jacks.
2) Every Ace borders a King and a Queen.
3) Every King borders a Queen and a Jack.
4) Every Queen borders a Jack.
Note: "border" means "touch" horizontally or vertically, not diagonally.

Identify the nine cards.

 See The Solution Submitted by pcbouhid Rating: 2.7500 (8 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
 re(2): Wayyyyyyyyyyyyyyyyyyyyy Easy Comment 30 of 30 |
(In reply to re: Wayyyyyyyyyyyyyyyyyyyyy Easy by saprom)

Well, obviously... Those aren't four different solutions, though. If you were to walk around the first one ninety degrees, you would see "another" one. Since the cards' relationships are only horizontal and vertical, the same cards border each other at every ninety degree interval.
 Posted by thegnome54 on 2006-02-03 06:01:17

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