Permutations - math problems
Number of problems found: 75
- Permutations without repetition
From how many elements, we can create 720 permutations without repetition?
- Elements
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 1.2.2.3.3.3.4 can be permutated into 4 digits, 3 digits and 2 digits without repetition? Ex: 4 digits = 1223, 2213, 3122, 2313, 4321. . etc 3 digits = 122.212.213.432. . etc 2 digits = 12, 21, 31, 23 I have tried permutation fo
- N-gon
How many diagonals has convex 11-gon?
- Digits
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?
- Subsets
How many are all subsets of set ??
- Possible combinations - word
How many ways can the letters F, A, I, R be arranged?
- Tokens
In the non-transparent bags are red, white, yellow, blue tokens. We 3times pull one tokens and again returned it, write down all possibilities.
- 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?
- 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
- Tournament
Six teams entered the basketball tournament. How many matches will be played if each team has to play one match with each other?
- Shelf
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?
- Seating
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?
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