# Variations - examples

- Practice

How many ways can you place 20 pupils in a row when starting on practice? - No. of divisors

How many different divisors has number ?? - 7 heroes

9 heroes galloping on 9 horses behind. How many ways can sort them behind? - Flags

How many different flags can be made from colors white, red, green, purple, orange, yellow, blue so that each flag consisted of three different colors? - Vans

In how many ways can 9 shuttle vans line up at the airport? - Seating

How many ways can 7 people sit on 3 numbered chairs (eg seat reservation on the train)? - Guests

How many ways can 5 guests sit down on 6 seats standing in a row? - 2nd class variations

From how many elements you can create 6972 variations of the second class? - Football league

In the 5th football league is 10 teams. How many ways can be filled first, second and third place? - Pairs

At the table sit 8 people, 4 on one side and 4 on the other side. Among them are 3 pairs. Every pair wants to sit opposite each other. How many ways can they sit? - Morse alphabet

Calculate how many words of Morse code to create compiling commas and dots in the words of one to four characters. - Coin and die

Flip a coin and then roll a six-sided die. How many possible combinations are there? - Lock

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? - N-gon

How many diagonals has convex 11-gon? - Subsets

How many are all subsets of set ?? - Bits, bytes

Calculate how many different numbers can be encoded in 16-bit binary word? - Hockey players

After we cycle five hockey players sit down. What is the probability that the two best scorers of this crew will sit next to each other? - Area codes

How many 6 digit area codes are possible if the first number can't be zero? - Numbers

How many different 7 digit natural numbers in which no digit is repeated, can be composed from digits 0,1,2,3,4,5,6? - Toys

3 children pulled 12 different toys from a box. Many ways can be divided toys so that each children had at least one toy?

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See also our variations calculator.