2014 AIME I Problem 12


Let A={1,2,3,4}A=\{1,2,3,4\}, and ff and gg be randomly chosen (not necessarily distinct) functions from AA to AA. The probability that the range of ff and the range of gg are disjoint is mn\tfrac{m}{n}, where mm and nn are relatively prime positive integers. Find mm.


Leading zeroes must be inputted, so if your answer is 34, then input 034. Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.

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Category: AIME I
Points: 5
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