Natural numbers + factorial - practice problems
Number of problems found: 12
- How many 13
How many ways can X³ y⁴ z³ be written without an exponent?
- Permutations with repetitions
How many times the input of 220.127.116.11.3.3.4 can be permutated into 4 digits, 3 digits and 2 digits without repetition? Ex: 4 digits = 1223, 2213, 3122, 2313, 4321. . etc 3 digits = 18.104.22.1682. . etc 2 digits = 12, 21, 31, 23 I have tried permutation fo
- Cups on the shelf
Two green, three red, and two yellow cups should be placed side by side on the shelf. a) How many different ways of setting up can arise? b) How many different ways of arranging can arise if cups of the same color stand side by side?
- Wedding guests
Fifteen wedding guests could not agree on who would stand in the wedding photo. The groom suggested that all possible sets of wedding guests be made in the photographs.
- You have
You have 4 reindeer and you want to have 3 fly your sleigh. You always have your reindeer fly in a single-file line. How many different ways can you arrange your reindeer?
- Coffe cups
We have 4 cups with 4 different patterns. How many possible combinations can we create from 4 cups?
We have six wagons, two white, two blue, and two red. We assemble trains from them, wagons of the same color are exactly the same, so if we change only two white wagons on a train, it's still the same train, because I don't know any different. How many di
- Bookshelf and books
How many ways can we place 7 books on a bookshelf?
Seven classmates go every day for lunch. If they always come to the front in a different order, will be enough school year to take of all the possibilities?
How many different 3 digit natural numbers in which no digit is repeated can be composed of digits 0,1,2?
How many ways are there to arrange 6 books on a shelf?
How many ways can divide 10 identical candies to 5 children?
Natural numbers - practice problems. Factorial - practice problems.