Dominic wants to place the six dominoes above in a hexagonal ring so that, for every pair of adjacent dominoes, the numbers of pips match. The ring on the right indicates how one adjacent pair match. In a completed ring, how many of the other five dominoes can he definitely
not
place adjacent to
?
Select one option, then click Submit.
1
2
3
4
5
Select an option, then submit.
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Junior Mathematical Challenge 2012 (2012)
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