Question

N how many ways can 5 members be selected out of 10 members,so that any two particular members must always be excluded? A- 52 b-56 c-60 d-64

Answer 1

b-56. since 2 particular members are always excluded then you are actually choosing from 8 members. and the number of ways 5 members are selected is equal to 8C5 which is equal to 56.