Two Courses at the Same Time
Difficulty: Easy · Topics: Discrete Mathematics, Combinatorics, Combinations
A school offers 7 courses, two of which are held at the same time.
In how many different ways can a student choose 3 of these courses?
Difficulty: Easy · Topics: Discrete Mathematics, Combinatorics, Combinations
A school offers 7 courses, two of which are held at the same time.
In how many different ways can a student choose 3 of these courses?