Variations - examplesSee also our variations calculator.
- Pins 2
how many different possible 4 digits pins can be found on the 10-digit keypad?
From the colors - red, blue, green, black and white, create all possible tricolors.
- VCP equation
Solve the following equation with variations, combinations and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0
How many natural numbers greater than 4000 which are formed from the numbers 0,1,3,7,9 with the figures not repeated, B) How many will the number of natural numbers less than 4000 and the numbers can be repeated?
- 7 heroes
5 heroes galloping on 5 horses behind. How many ways can sort them behind?
In how many ways can 7 shuttle vans line up at the airport?
How many different flags can be made from colors red, white, blue, black, yellow, green, purple, gray, orange so that each flag consisted of three different colors?
How many ways can 7 people sit on 3 numbered chairs (eg seat reservation on the train)?
- Football league
In the 2nd football league is 19 teams. How many ways can be filled first, second and third place?
How many ways can 7 guests sit down on 9 seats standing in a row?
In how many ways can be divided gold, silver and bronze medal among 18 contestant?
In elections candidate 8 political parties. Calculate how many possible ways can the elections finish, if any two parties will not get the same number of votes.
- Coin and die
Flip a coin and then roll a six-sided die. How many possible combinations are there?
How many different 4 digit natural numbers in which no digit is repeated, can be composed from digits 0,1,2,3?
- Area codes
How many 6 digit area codes are possible if the first number can't be zero?
- 2nd class variations
From how many elements you can create 6480 variations of the second class?
- Friends in cinema
5 friends went to the cinema. How many possible ways can sit in a row, if one of them wants to sit in the middle and the remaining's place does not matter?
- No. of divisors
How many different divisors has number ??
Combination lock will open when the right choice of 5 numbers (from 1 to 12 inclusive) is selected. A. How many different lock combinations are possible? B. Is he combination lock named appropriately?
- Three digits number
How many are three-digit integers such that in they no digit repeats?