Combinatorics - math word problems - page 31 of 57
Number of problems found: 1135
- Sport probability
Out of 20 boys playing football or handball, 16 boys play football, and 9 boys play handball. Determine the percentage probability that, by randomly selecting a boy, he plays: a) football only; b) only handball c) football and handball - Different balls
We have four different boxes and three identical balls. Place the marbles in these boxes so that the boxes can contain one, two, three or none. How many other locations are there? - Play match
A hockey match played for three periods ended with a score of 2:3. How many possibilities are there on how the given thirds could have been completed? - We randomly
We randomly select a three-digit number. What is the probability that the number 8 occurs at most once in its notation? - Number digit formation
How many numbers a) less than 500, b) greater than 500 can be formed from the digit 0,1,5,8,9 so that no digit is repeated? - Apple pear division
How many ways can you divide two identical apples and: a) 3, b) 4, c) 5 identical pears between Jane and Gretel? - Team girl composition
How many different 6-member teams can be made up of seven boys and four girls if there are two or four girls in the team? - Three-digit numbers
We have digits 0, 1, 4, and 7 that we cannot repeat. How many three-digit numbers can we write from them? You can help by listing all the numbers. - Auto-tuning
During auto-tuning, the TV searched for 25 channels, four of which were music. The channels are stored in the TV's memory in random order. Express the percentage of the event that We will save the music channel first. - Volleyball Tournament Ranking
Classes 1B, 2 A, and 3 C, participated in the volleyball tournament. How many ways could they take first, second, or third place? What is the probability that 1B will end before 2 A class? - Arranging Adjacent Colors
Tomas has four football jerseys: red, blue, white, and green. How many ways can Thomas place them on the shelf next to each other so that the red and blue jerseys are adjacent? - Digits
How many natural numbers greater than 4000 are formed from the numbers 0,1,3,7,9 with the figures not repeated, B) How many natural numbers will be less than 4000, and can the numbers be repeated? - Throw
We throw two times with two dice. What is the probability that the first roll will fall more than the sum of 9 and the second throw has a sum of 3 or does not have the sum of 4? - The confectionery
The confectionery sold five kinds of ice cream. If the order of ice cream does not matter, how many ways can I buy three kinds? - Numbers
How many different 4 digit natural numbers in which no digit is repeated can be composed of digits 0,1,2,3? - Sports Probability Problem
82% of football players, and 26% are hockey players at school. What is the probability that: A) I'm not a hockey player B) I know both sports C) I know one sport - Seating Arrangement Condition
How many different possibilities exist for settling friends A, B, C, D, E, and F in six seats if A wants to sit next to C? - Divisible numbers
How many natural numbers are divisible by five less than 8000, composed of the digits 0,1,2,5,7,9? - Birthday boy 2
In how many ways can seven people be seated around a table if the birthday boy must sit at the head? - HAMMER 3
Determine in how many ways the letters of the word HAMMER can be rearranged so that some group of consecutive letters in the rearrangement forms the word WATER.
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