Answer: 186.
- A 120
- B 150
- C 186
- D 210
Correct answer: C. 186
Explanation: Total C(10,5) = 252, minus 0 women C(6,5) = 6 and exactly 1 woman C(4,1)C(6,4) = 60. So 252 − 66 = 186.
Counting tree for selecting 2 items from {A, B, C} without repetition: 3 x 2 = 6 ordered arrangements.
Concept context
Counting, arrangements, and selections