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)!
- Value
Find the value of the expression: 6!·10^-3
- Possible combinations - word
How many ways can the letters F, A, I, R be arranged?
- Committees
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?
- Word
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?
- Vans
In how many ways can 9 shuttle vans line up at the airport?
- Beads
How many ways can we thread 4 red, 5 blue, and 6 yellow beads onto a thread?
- Practice
How many ways can you place 20 pupils in a row when starting on practice?
- Shelf
How many ways are there to arrange 6 books on a shelf?
- Tournament
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?
- Prize
How many ways can be rewarded 9 participants with the first, second and third prize in a sports competition?
- Seating
How many ways can 6 people sit on 6 numbered chairs (e. g. , seat reservation on the train)?
- Guests
How many ways can 9 guests sit down on 10 seats standing in a row?
- Elections
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.
- Olympics
In how many ways can be placed 6 athletes on the podium at the Olympics? Depend on the color of the metal.
- Words
How many 3 letter "words" are possible using 14 letters of the alphabet? a) n - without repetition b) m - with repetition
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