MathCastle
Counting & ProbabilityChallengeCounting & Probability

Counting & Probability · Challenge problem

A charity gala panel of 55 people is chosen to consist of exactly 33 men (from a pool of 88 men) and exactly 22 women (from a pool of 66 women). Two of the men, Rick and Sam, are rivals and refuse to serve on the panel together. How many valid panels are possible?