In how many ways can three runners line up on the starting line?
How many ways can books be arranged?
Sheln
Two different arrangements of objects where some of them are identical are called distinguishable permutations, circular permutations, unique combinations, and circular combinations. Find the number of distinguishable permutations of the letters of the word "PASS". 144
How many different 4-digit even numbers can be formed from the digits 3, 5, and 8 if no repetition of digits is allowed? 680 840 120 420
The number of permutations of distinct objects arranged in a circle is (n + 1)!/(n - 1)! In how many ways can senators sit in a round table? 040 720 1440 820