1. In how many ways can 10 objects be split into two
groups containing 4 and 6 objects, respectively?
2. In how many ways can a committee of 5 people be chosen out of 9
people?
3. Out of 5 mathematicians and 7 physicists, a committee consisting
of 2 mathematicians and 3 physicists is to be formed. In how many
ways can this be done if (a) any mathematician and any physicist
can be included, (b) one particular physicist must be on the
committee, (c) two particular mathematicians cannot be on the
committee?
4. How many different salads can be made from lettuce, escarole,
endive, watercress, and chicory?
Get Answers For Free
Most questions answered within 1 hours.