Question
Question: The number of ways in which a mixed doubles tennis game be arranged between 10 players consisting of...
The number of ways in which a mixed doubles tennis game be arranged between 10 players consisting of 6 men and 4 women?
A
180
B
90
C
48
D
12
Answer
180
Explanation
Solution
Selection of two men = 6C2 = 15
selection of two women = 4C2 = 6
Each selection of 2 men and 2 women gives 2 mixed games.
Total ways = 15 × 6 × 2 = 180