I-Multiplication Rules
1. How many differentslats can be made. If the splint is composed of 4 letters and 3digits.
2. How many specialshuttle crews can be formed if: for pilot position, co-pilot andflight engineer there are (8) eight candidates, for two scientistsone for solar experiment and one for stellar experiment there are(6) candidates and for two Civilians there are (9) candidates.
II-permutations andcombinations
1. In a raffle wherethere are 10 possible numbers in each ball, if three pellets areextracted. How many ways is it possible to combine extractednumbers?
2. Ten people reach arow at the same time. How many ways can they be formed?
3. In a Olympiad thereare 10 swimmers in a race, how many ways can arrive the first threeplaces?
4. How many committeesof three teachers can be made if there are 6 teachers to choosefrom?
