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A standard set of dominoes has numbers from 1 to 6, and blanks, arranged so that every number appears once with each other number, and once with itself (the doubles).
Two dominoes are chosen from the set at random. What is the probability that they 'match' - that is, that one end of one matches at least one end of the other?
Domino Match
Age 14 to 16
ShortChallenge Level 
A standard set of dominoes has numbers from 1 to 6, and blanks, arranged so that every number appears once with each other number, and once with itself (the doubles).
Two dominoes are chosen from the set at random. What is the probability that they 'match' - that is, that one end of one matches at least one end of the other?
You can find more short problems, arranged by curriculum topic, in our short problems collection.
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