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Problem 12 (1990 AJHSME)

AJHSMEEasy

From module Counting Fundamentals

Problem

There are twenty-four 44-digit numbers that use each of the four digits 2,5,72, 5, 7, and 44 exactly once. Listed in numerical order from smallest to largest, the number in the 17th17^{\text{th}} position in the list is

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