COMPETENCE TEST (PERMUTATION)

1. Using permutation formula, determine of
     a. P(9,7) x P(7,5)
     b. P(9,5) : P(6,2)
2. What is the number of permutation of 2 elements from the letters k , l and m ?
3. How many ways are there for us to arrange the letters of the following words?
     a. CIKA
     b. DATA
4.  A meeting is attended by 6 peoples and their seats are arranged in a circle.                                              
     How many possible arrangements of seats are there ?