Three Friends Side by Side
Difficulty: Easy · Topics: Discrete Mathematics, Combinatorics, Permutations
Three friends sit in a row of 7 adjacent seats so that all three of them sit next to each other.
In how many different ways can they sit?
Difficulty: Easy · Topics: Discrete Mathematics, Combinatorics, Permutations
Three friends sit in a row of 7 adjacent seats so that all three of them sit next to each other.
In how many different ways can they sit?