Combinatorics - math word problems - page 30 of 57
Number of problems found: 1135
- Balls
From the urn in which are 18 white balls and 10 red, gradually drag 4-times without replacement. What is the probability that pulls balls are in order: červená červená červená biela? - Double-digit number creation
If we can repeat the digits in a number, how many double-digit numbers can we create from the digits 1, 2, 3, 4, 5, and 6? - Natural numbers
How many natural numbers can we create less than 301 from the number 0,1,2,3,6,7? - Sum probability
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. - Number machine modifications
The Numerometer has invented as the number machine that changes numbers until it makes them single-digit numbers. He still makes the change according to the same rule. For example: from the number 87312, after six modifications, he gradually made the numb - Ticket number probability
There are 100 tickets in a pocket with the numbers 1 to 100. What is the probability that we will randomly draw a ticket with a number starting with the number 5? - Ticket selection ways
A pocket contains six tickets numbered 1 to 6. In how many ways can 3 tickets be drawn one by one, in order, without replacing the drawn tickets? - The three
The three boys, Adam, Boris, and Cyril, will be taken on a two-seater ski lift. How many different removal options are there? What would it be like if four boys or five were to be taken away? - Odd number creation
How many odd three-digit numbers can you make of the five cards with the numbers 1, 2, 3, 5, and 6? - Cups on the shelf
We should place two green, three red, and two yellow cups side by side on the shelf. a) How many different ways of setting up can arise? b) How many different ways of arranging can arise if cups of the same color stand side by side? - Book arrangement ways
Jane wants to organize 4 English and 3 Slovak books on the shelf to arrange first English and then Slovak books. How many ways can it do that? - Medal award ways
Sixteen teams will compete in the hockey tournament. How many ways can a gold, silver, and bronze medal be awarded? - Pairs of socks
Ferdinand has twelve pairs of socks, and one sock is leaky. What is the probability of putting on a leaky sock? - Probability - coloured balls
We have ten white, ten red, and ten blue balls in our pockets. We selected five white, two red, and three blue balls. What is the probability that we will pick a white ball in the next move? - Electrical appliances
In electrical appliances of a certain type, a manufacturing defect occurs with a probability of 0.1. In products with the mentioned defect, a failure occurs during the warranty period with a probability of 0.5. Products that do not have a manufacturing de - Neighborhood
I have 7 cups numbered 1 to 7. In how many ways can they be arranged in a row if cups 1 and 2 must always be next to each other? - Cards
How many ways can you give away 32 playing cards to 4 player? - Toys
3 children pulled 6 different toys from a box. How many ways can toys be divided so each child has at least one toy? - Darts Score Combinations
Adam was practicing for a darts competition in class. Every day at home, he threw darts at a target in which the individual fields were worth 1,3 and 5 points. He threw 9 darts every day and always scored 27 points. He is in good form and never missed a t - Three subjects
In a class of 40 students, 18 passed mathematics, 19 passed accounting, 16 passed economics, five mathematics and accounting only, six mathematics only, nine accounting only, and two accounting and economics only. Each student was offered at least one of
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
