Combinatorics - math word problems - page 10 of 54
Number of problems found: 1077
- Chess competition
Four chess players took part in the competition. How many matches would have taken place if every chess player had played with everyone just once? - Probability 18073
Determine the probability that three balls, ten red, and ten blue balls, will be drawn from 3 balls of the same color. - (four-seater) 17053
Karel wants to take some 15 classmates out of school after graduation. How many passengers does he have to choose if he has to fill the car (four-seater)? - Probability 17023
In the draw pole, five numbers out of 35 are drawn. The third prize is paid for three guessed numbers. What is the probability of winning the third prize if we submit a ticket with one of five numbers? - Three-digit 16763
Ferko received a briefcase with an adjustable three-digit code for his birthday. How many options do you have to set the code if you like a number with two sevens? - Four-digit 16463
How many can we create four-digit numbers that digits can repeat from digits 0,1,2,3,…, 9? - Four-element combinations
How many four-element combinations can we make from 10 elements?
- Delegation - b&g
There are 22 girls and nine boys in the class. How many ways can a delegation be created with three girls and one boy? - Possible 16243
There are 30 students in the class, three of whom will be tested. How many ways are possible if their order does not matter? - Probability 13973
Three types of pinwheels are on the tray: two caramel, four coffee, and one vanilla. Jurko chose one dessert. What is the probability that he decided on a coffee pinwheel? - Balls
From the bag with numbered balls (numbers 1,2,3,. ..20), we pick one ball. What is the probability of choosing a number containing 1? - Probability 8801 We roll two different dice. What is the probability that a pair of even numbers will fall?
- Today in school
There are nine girls and 11 boys in the class today. What is the probability that Suzan will go to the board today? - Opportunities 8372 There are 20 students in the class, four of them are being tested by the teacher. How many options are there to choose who the teacher will test?
- Telephone numbers
How many 7-digit telephone numbers can we put together so that each number consists of different digits?
- Probability 8244
There are chips in the bag with numbers from 1 to 25. What is the probability of choosing a number with a digit sum of 6? - Menu
There are 12 kinds of meals on the menu. How many ways can we choose four different meals for the daily menu? - Tournament 7975
Eight players took part in the table tennis tournament. The tournament system allows players to play with each other only once. How many matches will take place in this tournament? - Organized 7966
A group of foreign tourists planned to visit 4 Slovak cities - Košice, Prešov, Poprad, and Kežmarok. They decided that Prešov would be the third city they would visit. How many different ways could they have organized a visit to the listed places? - A pizza
A pizza place offers 14 different toppings. How many different three-topping pizzas can you order?
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