Question. in how many ways can six members be selected from a group of ten members?
Options:
(A) 10C6
(B) 10C4
(C) 10C9
(D) 10C2
(E) 10C1
Answer. (B)
What step-by-step reasoning justifies that answer?
Reasoning: Six members can be selected from ten members in
10C6 = 10C4 ways.