Combinatorics - math word problems - page 13 of 57
Number of problems found: 1135
- Dice options
We roll three dice. Write down all the feast options. - Circle election
How many different ways can members of a 7-member philatelic circle elect a secretary and a steward from among themselves? - Group combinations
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? - Cable break
The storm broke the telephone cable connecting places A and B at 2.5 km. What is the probability that this happened at a maximum length of 450 m from location A? - Brief probability
I have three colors of briefs. White, black, and red. What is the probability that I will choose white briefs? - Two-digit numbers
How many two-digit numbers can you create from the digits 7,0,1 and 5 if the numerals can be repeated? - Cards
The player gets eight cards of 32. What is the probability that it gets a) all four aces b) at least one ace - Metals
Eight teams play in the Hockey World Cup. Determine how many ways gold, silver, and bronze medals can be awarded. - Roll the dice
What is the probability that if we roll the dice, a number less than five falls? - Olympics metals
How many ways can one win six athletes' medal positions in the Olympics? Metal color matters. - Probability - pupils
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? - Maximize profit
The manufacturer is deciding whether to carry out a check on his products or to ship the products without check and in case of a defective product to repair it at his expense within the warranty. At the time of the decision about the introduction of outpu - Volleyball
Eight girls want to play volleyball against boys. A team can have six players on the court at one time. How many different starting teams can the coach choose from these girls? - Football team
The football team has black, purple, and orange shirts, blue and white shorts, and striped and gray socks. How many different outfits may players start? - Disco
At the disco, there are 12 boys and 15 girls. In how many ways can we select four dancing couples? - 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? - PIN - codes
How many five-digit PIN - codes can we create using the even numbers? - Decides
Decide by calculation how many candidates out of a total of 1000 candidates for the position of CEO meet the eligibility requirements for the desired performance of this top management position with at least 67% probability - provided, of course, that the - Three digits number 2
Find all three-digit positive integers that can be formed from the digits 1, 2, 3, and 4, subject to the following conditions: the units digit is one of 1, 3, or 4, and the hundreds digit is 4 or 2. - One green
There are 45 white and 15 green balls in the container. We randomly select five balls. What is the probability that there will be one green ball maximally?
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