# Variations - examples

See also our variations calculator.- Desks

A class has 20 students. The classroom consists of 20 desks, with 4 desks in each of 5 different rows. Amy, Bob, Chloe, and David are all friends, and would like to sit in the same row. How many possible seating arrangements are there such that Amy, Bob, C - No. of divisors

How many different divisors has number ?? - 7 heroes

5 heroes galloping on 5 horses behind. How many ways can sort them behind? - Flags

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

In how many ways can 7 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 7 guests sit down on 9 seats standing in a row? - 2nd class variations

From how many elements you can create 6480 variations of the second class? - Football league

In the 2nd football league is 19 teams. How many ways can be filled first, second and third place? - Morse alphabet

Calculate how many words of Morse code to create compiling commas and dots in the words of one to five characters. - Pairs

At the table sit 12 people, 6 on one side and 6 on the other side. Among them are 5 pairs. Every pair wants to sit opposite each other. How many ways can they sit? - 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 4 numbers (from 1 to 14 inclusive) is selected. A. How many different lock combinations are possible? B. Is he combination lock named appropriately? - Bits, bytes

Calculate how many different numbers can be encoded in 16-bit binary word? - Area codes

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

3 children pulled 9 different toys from a box. Many ways can be divided toys so that each children had at least one toy? - Numbers

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

How many are three-digit integers such that in they no digit repeats? - Cars plates

How many different licence plates can country have, given that they use 3 letters followed by 4 digits?

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