Variations + multiplication - practice problems - page 2 of 11
Number of problems found: 217
- Repetition 8329
How many 5-digit numbers without repetition have the last digit two smaller than the previous one? - Created 7758
How many words can be created from the word KLADIVO if we want the word VODA to be written next to each other? - Three digit from four digits
How many three-digit numbers can you make using the digits 4,6,7, and 9? - Beads
How many ways can we thread four red, five blue, and six yellow beads onto a thread? - Chocolates
How many ways can we distribute eight different chocolates to four children? - Combinatorics
The city has 7 fountains. Works only 6. How many options are there that can squirt? - Bits, bytes
Calculate how many different numbers can be encoded in a 16-bit binary word. - 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. - Assemble 6449
How many natural numbers less than 400 can I assemble if the numbers do not repeat? - 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. - 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?
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