Answer: 35.
- A 21
- B 35
- C 42
- D 210
Correct answer: B. 35
Explanation: 7C3 = 35. Order does not matter in a committee.
Counting tree for selecting 2 items from {A, B, C} without repetition: 3 x 2 = 6 ordered arrangements.
Concept context
Counting, arrangements, and selections