Variations - practice problems - page 3 of 14
Number of problems found: 280
- Groups 72194
I have eight groups. How could they place first, second, and third? - Probability 59073
A group of n people, including Jano and Fero, randomly line up. What probability will there be exactly r people (r - Triangles 8306
Find out how many triangles you create from lines 7 dm, 5 dm, 10 dm, 12 dm, and 15 dm long. - Numbers 7755
How many digits 7 are in numbers from 1 to 777? - Assemble 6449
How many natural numbers less than 400 can I assemble if the numbers do not repeat? - Three coins
In a game of chance where three coins are tossed, a player wins if two heads and a tail come up. What are the chances of this occurring? - Five number code
I have a five-digit code on the bag that I forgot. I remember that it was a symmetric number and the sum of its digits was 22. Write all the numbers that can be a code. - Gold, silver, bronze
How many ways can we divide gold, silver, and bronze medals if six people compete? - Word MATEMATIKA
How many words can be created from the phrase MATEMATIKA by changing the letters' order, regardless of whether the words are meaningful? - Tokens
The non-transparent bags are red, white, yellow, and blue tokens. We 3times pulled one token and again returned it, writing down all possibilities. - Olympics
How many ways can six athletes be placed on the podium at the Olympics? Depend on the color of the metal. - Chess
How many different ways can you initiate a game of chess (first pass)? - Variations
Find the number of items when the count of variations of the fourth class without repeating is $k times larger than the count of variations of the third class without repetition. - Coin and die
Flip a coin and then roll a six-sided die. How many possible combinations are there? - 7 heroes
6 heroes galloping on 6 horses behind. How many ways can we sort them behind? - Morse alphabet
Calculate how many words of Morse code to create compiling dashes and dots in the words of one to four characters. - Football league
In the 5th football league is 10 teams. How many ways can be filled first, second, and third place? - Five-digit 66894
Create all five-digit numbers in ascending order from three, four, and two zeros. - Qualifying 37483
There are five good teams in the qualifying group for the World Cup. How many different orders can occur? - 6-digit 35541
How many 6-digit numbers can be created from the number 1,2,3,4,5,6 if we must not repeat the numbers?
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