Suppose we want to choose 5 letters, without replacement, from
13 distinct letters.
How many ways...
Suppose we want to choose 5 letters, without replacement, from
13 distinct letters.
How many ways can this be done, if the order of the choices does
not matter?
How many ways can this be done, if the order of the choices
matters?
We have 1,2,3,4,5,6,7,8,a,b,c,d,e,f
the numbers and letters are in order. How many permutations
(arrangements) are there...
We have 1,2,3,4,5,6,7,8,a,b,c,d,e,f
the numbers and letters are in order. How many permutations
(arrangements) are there in a way that the order is maintained for
numbers and the order is maintained for letters? Explain.
Circular Permutations and Permutations with Similar Elements
1) In how many ways can three people be...
Circular Permutations and Permutations with Similar Elements
1) In how many ways can three people be made to sit at a round
table?
2) In how many ways can three couples be seated at a round
table, so that men and women sit alternately?
3) In how many ways can five keys be put on a key ring?
4) Find the number of different permutations of the letters of
the word MATHEMATICS.
5) How many different ways can three pennies,...