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Mexican Train Puzzle (Posted on 2025-01-02) Difficulty: 3 of 5
In the domino game Mexican Train, holding a double can be a problem, since when a double is played, a second domino of the same denomination must be played immediately, or else a domino from the bone pile must be drawn; and, if it doesn’t match the double, you lose control of your train.

The other night, I was playing Mexican Train with friends using a double 12 set (a double 12 set includes every two number combination from 0-0 through 12-12); and, in picking a hand of 11 dominos, I got four doubles.

What is the probability of this?

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Some ThoughtsFurther commentJer2025-01-02 11:33:32
SolutionSolutionLarry2025-01-02 10:16:16
SolutionsolutionCharlie2025-01-02 08:48:49
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