This math topic focuses on permutations involving probability calculations in ordering scenarios. Specifically, it involves finding out the number of distinct ways to order four letter tiles, with at least one letter repeated. This is a fundamental exercise within the broader subject of Probability and Statistics, emphasizing factorial applications. Each question presents a different set of letter tiles and asks students to determine the possible distinct arrangements. Multiple choice answers are provided for students to select the correct number of distinct ways these tiles can be arraigned.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.