Permutations - math problems
Number of problems found: 75
- Permutations without repetition
From how many elements, we can create 720 permutations without repetition?
If the number of elements is decreased by two the number of permutations is decreased 30 times. How many elements are?
- VCP equation
Solve the following equation with variations, combinations and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0
- 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
How many diagonals has convex 11-gon?
Write the smallest and largest 2-digit number.
- A pizza
A pizza place offers 14 different toppings. How many different three topping pizzas can you order?
How many are all subsets of set ??
- Possible combinations - word
How many ways can the letters F, A, I, R be arranged?
In the non-transparent bags are red, white, yellow, blue tokens. We 3times pull one tokens and again returned it, write down all possibilities.
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?
- Word MATEMATIKA
How many words can be created from the phrase MATEMATIKA by changing the letters' order, regardless of whether the words are meaningful?
- How many 2
How many three lettered words can be formed from letters A B C D E G H if repeats are: a) not allowed b) allowed
Six teams entered the basketball tournament. How many matches will be played if each team has to play one match with each other?
How many ways are there to arrange 6 books on a shelf?
- School committee
7 students was elected to the school committee. In how many ways can the President, Vice-President, Secretary and Treasurer be selected?
How many ways can 6 people sit on 6 numbered chairs (e. g. , seat reservation on the train)?
- 7 heroes
9 heroes galloping on 9 horses behind. How many ways can sort them behind?
See also our permutations calculator.