Combinatorics - math word problems - page 11 of 57
Number of problems found: 1135
- Probability of Digit Sum
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? - Table Tennis Tournament Matches
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? - City visit arrangements
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? - Word Arrangement VODA Together
How many words can be created from the word KLADIVO if we want the word VODA to be written next to each other? - Three-part novel
In how many ways can seven books be arranged on a shelf if the three volumes of a novel must always be placed side by side? - Pudding glass combinations
Petra was preparing a pudding cup to celebrate the holiday. It had four types of pudding, five types of fruit, and two types of decorations. How many different glasses could she prepare with one pudding, one fruit, and one garnish? - Election 4
In a certain election there are 3 candidates for president, 5 for secretary and only 2 for the treasurer. Find how many way the election may turn out. - A student
A student is to answer 8 out of 10 questions on the exam. a) find the number n of ways the student can choose 8 out of 10 questions b) find n if the student must answer the first three questions c) How many if he must answer at least 4 of the first five q - Television quality probability
In the department store, they have 100 televisions, of which 85 are of first quality, and 15 are of second quality. The first ten buyers received a premium TV. What is the probability that the eleventh is sold a second-rate TV? - Exercise Books Division Ways
How many ways can three children divide five small and six large exercise books? Admittedly, some get nothing. - Mumbai
A job placement agency in Mumbai had to send ten students to five companies, two to each. Two of the companies are in Mumbai, and others are outside. Two students prefer to work in Mumbai, while three prefer to work outside. How many ways can assignments - A book A book contains 524 pages. If it is known that a person will select any page between the pages numbered 125 and 384, find the probability of choosing the page numbered 252 or 253.
- Different Report Cards
There are 19 children in class 6 A, 7 subjects, and no one has a grade worse than a C. Can each of them have a different certificate? How many would have to be in the class so that everyone could not have a different report card? - Choosing Colors for Sweater
Danka knits a sweater and has a choice of seven colors. a) How many ways can he choose three colors for the sleeves? b) He wants ribbons of four colors on his back. How many options does he have to choose from? - Balls - Probability
There are 8 balls in the box, and 3 of them are new. For the first game, 2 balls are randomly selected from the box and returned after the game! For the second game, 2 balls are again chosen at random. What is the probability that both have already been u - Dd 2-digit numbers
Find all odd 2-digit natural numbers compiled from digits 1; 3; 4; 6; and 8 if the digits are not repeated. - Natural Numbers Less 400 How many natural numbers less than 400 can I assemble if the numbers do not repeat?
- Probability of First Pie
Grandma used to cook sheep and cottage cheese pies together. There were 30 made from sheep cheese and 5 fewer made from cottage cheese. George took the first one and got 6 brownies and 3 curds. What is the probability that my first pie will not be bronze?
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