There are 30 students in the class, three of whom will be tested. How many ways are possible if their order does not matter?
Did you find an error or inaccuracy? Feel free to write us. Thank you!
Thank you for submitting an example text correction or rephasing. We will review the example in a short time and work on the publish it.
Tips for related online calculators
Would you like to compute the count of combinations?
You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
- The confectionery
The confectionery sold five kinds of ice cream. How many ways can I buy three kinds if the order of ice cream does not matter?
- Probability 30421
There are 25 students in the class, 12 of whom are not ready for math. There are five students in the math class. What is the probability of at least 3 being math ready?
- Doesn't 37531
How many ways can you draw eight playing cards from 32 playing cards when their order doesn't matter?
- Friends in cinema
5 friends went to the cinema. How many possible ways can sit in a row, if one of them wants to sit in the middle and the remaining's place does not matter?
- Different 7860
How many different triplets can be created from 4 pupils, if it does not matter the order of the pupils in the triplets?
- Selected 37601
V III. There are 22 students in the FPR class. How many ways can four students be selected for a DVK class exam?
- Research in school
For particular research in high school, four pupils are to be selected from a class with 30 pupils. Calculate the number of all possible results of the select and further calculate the number of all possible results, if it depends on the order in which th
- Students 45261
There are 200 pupils in the class, 40% of whom cannot swim. How many students can swim?
- Honored students
Of the 25 students in the class, 10 are honored. How many ways can we choose 5 students from them, if there are to be exactly two honors between them?
- Students 62184
There are 16 students in the class. How many options does the teacher have if she wants to choose two of the students who will be weekly?
- Probability 40131
There are 28 students in the IK3 class. Three pupils are to be tested. Nineteen pupils are ready for the exam. What is the probability that all three will be unprepared?
How many different flags can be made from colors red, yellow, blue, green, white to consist of three different colors?
- Delegation 16263
There are 22 girls and nine boys in the class. How many ways is it possible to create a delegation with three girls and one boy?
- Activities 2547
There are 28 students in the class. Twenty-one of them is involved in-ring activities. What part of the class does not attend the circle?
- Ice cream
Annie likes much ice cream. In the shop are six kinds of ice cream. In how many ways she can buy ice cream to three scoop if each have a different flavor mound and the order of scoops doesn't matter?
- Arithmetic 36901
The examiner has prepared 20 examples from arithmetic. He wants to choose seven examples for the paper. The order of the examples does not matter. How many different papers can he compile?
- School group
There are 5 girls and 7 boys in the group. They sit in a row next to each other. How many options if no two girls sit next to each other?