Combinatorial number - math word problems - page 13 of 15
Number of problems found: 296
- Determined 3570
There are 12 points in space, with no three lying on a straight line. How many different planes are determined by these points? - Competition
Fifteen boys and ten girls are in the class. In the school competition, a six-member team composed of four boys and two girls is selected. How many ways can we choose students? - Probability 3349
We have natural numbers 3, 4, 6, 10, and 12. Calculate the probability that the sum of three randomly selected three different numbers is less than 20. - Together 3331
The group has 12 red girls and 25 blue girls in costumes. How many of them can we put together a group of 6 girls so that the four girls have red outfits?
- Probability 3322
We have the numbers 4, 6, 8, 10, and 12. What is the probability that with a randomly selected triangle, these will be the lengths of the sides of a scalene triangle? - Probability 3080
There are eight styles of graduation topics in the Slovak language. The Minister of Education draws 4 of them. How likely is he to choose at least one of the pairs? - Probability 3065
Natural numbers 4,5,7,11,12 are given. Calculate the probability of the event that the sum of three randomly selected numbers is less than 22. - Cards
The player gets eight cards of 32. What is the probability that it gets a) all four aces b) at least one ace - Prize
How many ways can 9 participants be rewarded with the first, second, and third prizes in a sports competition?
- Combinations
From how many elements can we create 990 combinations, 2nd class, without repeating? - Probability 2955
There are 18 girls and 13 boys in the class. Four pupils will be chosen by lot to supervise the breaks. What is the probability that it will be the boys themselves? - Combinations of sweaters
I have four sweaters: two white, one red, and one green. How many ways can you sort them out? - Volleyball
Eight girls want to play volleyball against boys. There can be six players per team on the field at one time. How many initial teams of these girls may there be trainers to choose from? - Disco
At the disco, there are 12 boys and 15 girls. In how many ways can we select four dancing couples?
- Division
The division has 18 members: 10 girls, six boys, and two leaders. If one patrol has two boys, three girls, and one leader, how many different patrols can be created? - Class pairs
In a class of 34 students, including 14 boys and 20 girls. How many couples (heterosexual, boy-girl) can we create? By what formula? - Hockey game
In the hockey game, they scored six goals. The Czechs played against Finland. The Czechs won 4:2. In what order did they fall goals? How many game sequences were possible during the game? - Three-digit numbers
How many three-digit numbers are from the numbers 0, 2, 4, 6 8 (with/without repetition)? - Hockey match
The hockey match ended with a result of 3:1. How many different storylines may the match have?
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?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
