Combinatorics - practice problems - page 6 of 52
Number of problems found: 1029
- Probability 64634
What probability does a randomly drawn two-digit number have the same digits? Write the result as a decimal number. - Sons
The father has six sons and ten identical, indistinguishable balls. How many ways can he give the balls to his sons if everyone gets at least one? - Probability RGB
The bag has six red, five green, eight blue, and 11 yellow balls. What is the probability that we will pull out a green ball? - Three-digit number
How many three-digit natural numbers can we form from the digits 0, 1, and 2 if the numerals can be repeated in these numbers?
- Combinations 63634
Jana has three blouses, red, blue, and white, and three skirts, blue, black, and brown. In how many days will all combinations of blouses and skirts change? - Identical 63414
Jeníček has 4 identical yellow dice and 3 identical blue dice. How many different colored snakes can make them? - According 63394
Three boys and four girls. How many ways can they be placed side by side according to gender? - Six attractions
How many opportunities do you have if you want to complete ten rides on the fair, but there are only six attractions? - School group
There are five girls and seven 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?
- Possibilities 57821
How many different positions can there be in the first three places in the hockey world championship if 12 teams are playing in them? How many possibilities exist if we are only concerned with which teams will be on the podium? - Basketball 54361
The basketball team consists of five players. Determine how many options his coach has to build a team if he has 12 players. - Right key
The hostel has 4 rooms. The keys to each room are not numbered. Each of the four guests took one key. What is the probability that everyone took the right key? - Probability 49301
Eva and 199 other students took part in job interviews at the Dream School, which accepts only the 120 most successful students. What is the probability of its acceptance? - In PE In PE, students play a game where they do different exercises depending on the color of the marble that Coach Forbes draws. Coach Forbes has a jar with 6 red marbles, 12 blue marbles, 16 purple marbles, 2 green marbles, and four yellow marbles. What is th
- Different 48243
He has four types of pants. How many T-shirts does he have if he can dress 40 different ways? - A box A box contains 6 red, 5 blue, and 4 white balls. Find the probability of drawing a) a red ball and b) a non-white ball.
- ID tag How many three-digit ID-tag can be made if: a) a digit cannot be used more than once b) the 1st digit must be five, and repetition of the others is not permitted.
- Tic-tac-toe
In how many ways could 9 participants of the school round of five-in-a-row win the first three places? - Permutations 46323
I want to find the number of permutations of the set M6 if not one element is in that position as in the original input (1 2 3 4 5 6). So I have to exclude numbers with 1 in 1st place, 2 in 2nd place, and 3 in 3rd place.
What is the probability that a player in the games of ludo will throw a double six twice?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
