Factorial - math problems
Number of problems found: 53
- Big factorial
How many zeros end number 116! ?
- Cancel fractions
Compress the expression of factorial: (n+6)!/(n+4)!-n!/(n-2)!
Find the value of the expression: 6!·10^-3
- Possible combinations - word
How many ways can the letters F, A, I, R be arranged?
How many different committees of 2 people can be formed from a class of 21 students?
- Permutations without repetition
From how many elements, we can create 720 permutations without repetition?
What is the probability that a random word composed of chars E, Y, G, E, R, O, M, T will be the GEOMETRY?
- Playing cards
How many possible ways are to shuffle 7 playing cards?
In how many ways can 9 shuttle vans line up at the airport?
How many ways can we thread 4 red, 5 blue, and 6 yellow beads onto a thread?
How many ways can you place 20 pupils in a row when starting on practice?
How many ways are there to arrange 6 books on a shelf?
Determine how many ways can be chosen two representatives from 34 students to school tournament.
- Bookshelf and books
How many ways can we place 7 books in a bookshelf?
How many ways can be rewarded 9 participants with the first, second and third prize in a sports competition?
How many ways can 6 people sit on 6 numbered chairs (e. g. , seat reservation on the train)?
How many ways can 9 guests sit down on 10 seats standing in a row?
In elections candidate 10 political parties. Calculate how many possible ways can the elections finish, if any two parties will not get the same number of votes.
In how many ways can be placed 6 athletes on the podium at the Olympics? Depend on the color of the metal.
How many 3 letter "words" are possible using 14 letters of the alphabet? a) n - without repetition b) m - with repetition