Permutations and combinations

1. 1.
   5! = ?
2. 2.
   Evaluate 6C2 (combinations of 2 from 6).
3. 3.
   4! = ?
4. 4.
   6! = ?
5. 5.
   Evaluate 5P4 (permutations of 4 from 5).
6. 6.
   Evaluate 6C4 (combinations of 4 from 6).
7. 7.
   Evaluate 8C2 (combinations of 2 from 8).
8. 8.
   A team of 3 is chosen from 5 students. How many different teams are possible?
9. 9.
   A team of 3 is chosen from 7 students. How many different teams are possible?
10. 10.
    Evaluate 6P2 (permutations of 2 from 6).
11. 11.
    How many ways can 5 different books be arranged on a shelf?
12. 12.
    Evaluate 4C3 (combinations of 3 from 4).
13. 13.
    How many ways can 6 different books be arranged on a shelf?
14. 14.
    A team of 2 is chosen from 5 students. How many different teams are possible?
15. 15.
    A team of 2 is chosen from 6 students. How many different teams are possible?
16. 16.
    A team of 3 is chosen from 8 students. How many different teams are possible?
17. 17.
    Evaluate 8P2 (permutations of 2 from 8).
18. 18.
    Evaluate 4C2 (combinations of 2 from 4).
19. 19.
    Evaluate 5P3 (permutations of 3 from 5).
20. 20.
    Evaluate 7C4 (combinations of 4 from 7).

Free maths worksheets and practice: rocketdigits.com/learn/permutations-and-combinations