Of all the four-digit positive integers containing only digits from the set {2, 4, 6, 8}, what fraction of them have at least one of their digits repeated? Express your answer as a common fraction.

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- Feb 5th 2010, 10:17 AMsri340digits
Of all the four-digit positive integers containing only digits from the set {2, 4, 6, 8}, what fraction of them have at least one of their digits repeated? Express your answer as a common fraction.

- Feb 5th 2010, 10:46 AMArchie Meade