2
Q:
A) ²²C₁₀ + 1 | B) ²²C₉ + ¹⁰C₁ |
C) ²²C₁₀ | D) ²²C₁₀ - 1 |
Answer: D) ²²C₁₀ - 1
Explanation:
Explanation:
The total number of ways of forming the group of ten representatives is ²²C₁₀.
The total number of ways of forming the group that consists of no seniors is ¹⁰C₁₀ = 1 way
The required number of ways = ²²C₁₀ - 1