A six person committee composed of Andy,Bob, Carl,David,Eedward AND
Frank is to select a chairperson, secretary and treasurer?
1) How many selections are there in which both bob and frank are
officers? Assuming that the same person can hold more than one office.
2) HOW MANY SELECTIONS ARE THERE IN WHICH David is chair person or he
is not an officer? assuming that each person can hold at most one
office.
3)IN HOW MANY WAYS CAN THREE TEAMS CONTAINING FOUR ,TWO AND TWO
PERSONS BE SELECTED FROM A GROUP OF EIGHT PERSONS?
4) a club consists of six distinct men and seven distinct women? in
how many ways can we select a committe of three men and four women?
5) Professor Mark is paid every other week on friday. Show that in
some month he is paid three times.? |
