SOLUTION: Hi, From numbers 1 throught 24 how may set of 12 numbers can I make with no number being use twice in one set?
Algebra ->
Permutations
-> SOLUTION: Hi, From numbers 1 throught 24 how may set of 12 numbers can I make with no number being use twice in one set?
Log On
Question 730730: Hi, From numbers 1 throught 24 how may set of 12 numbers can I make with no number being use twice in one set? Found 2 solutions by lynnlo, ikleyn:Answer by lynnlo(4176) (Show Source):
You can put this solution on YOUR website! .
Hi, From numbers 1 through 24 how may set of 12 numbers
can I make with no number being use twice in one set?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
These sets are called COMBINATIONS of 24 numbers taken 12 at a time.
The formula for the number of such sets is
24*23*22* . . . * 13
---------------------- = 2704156. ANSWER
1*2*3* . . . . * 12
Solved/answered.
You may learn further about combinations from your textbook
or from the Internet requesting this keyword "combinations".
--------------------------------
The answer in the post by @lynnlo is incorrect,
so you better ignore his post.