tanszek:oktatas:techcomm:combinatorics_exercises
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tanszek:oktatas:techcomm:combinatorics_exercises [2024/10/08 12:11] – kissa | tanszek:oktatas:techcomm:combinatorics_exercises [2024/10/29 10:29] (current) – kissa | ||
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- A shipment contains 100 boxes: 75 are quality $A$ and 25 are quality $B$. How many ways can we select a 12-box sample in which the quality $B$ goods do not exceed 30%? // | - A shipment contains 100 boxes: 75 are quality $A$ and 25 are quality $B$. How many ways can we select a 12-box sample in which the quality $B$ goods do not exceed 30%? // | ||
- 12 students rent three boats: one with 3 seats, another with 4 seats, and the third with 5 seats. In how many ways can they be seated in the boats? // | - 12 students rent three boats: one with 3 seats, another with 4 seats, and the third with 5 seats. In how many ways can they be seated in the boats? // | ||
- | - How many five-digit numbers starting with 15 can be formed using the digits 1, 3, 5, 7, 9, if each digit can be used only once? //(6)// \\ \\ | + | - How many five-digit numbers starting with 15 can be formed using the digits |
- | - In how many ways can the letters of the word MATHEMATICS be arranged (i.e., permutations of the word)? // | + | - In how many ways can the letters of the word $MATHEMATICS$ be arranged (i.e., permutations of the word)? // |
- | - How many four-digit even numbers can be formed using the digits 0, 1, 2 (with repetition allowed)? //(36)//\\ \\ | + | - How many four-digit even numbers can be formed using the digits |
- 10 students qualified for the university sports day running competition. The first 3 will receive medals. How many different ways can the list of medalists be arranged? //(720)// \\ \\ | - 10 students qualified for the university sports day running competition. The first 3 will receive medals. How many different ways can the list of medalists be arranged? //(720)// \\ \\ | ||
- We roll a standard die four times in a row, and we write down the results of the rolls in order. How many different four-digit numbers can we obtain this way? //(1,296)// \\ \\ | - We roll a standard die four times in a row, and we write down the results of the rolls in order. How many different four-digit numbers can we obtain this way? //(1,296)// \\ \\ | ||
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- each flag must have two stripes? //(12)// | - each flag must have two stripes? //(12)// | ||
- each flag must have three stripes? //(36)// \\ \\ | - each flag must have three stripes? //(36)// \\ \\ | ||
- | | + | - We placed |
- | | + | - After a graduation ceremony, each student received a photo from each of their classmates. How many students graduated if a total of 992 photos were exchanged? //(32)// \\ \\ |
tanszek/oktatas/techcomm/combinatorics_exercises.1728389499.txt.gz · Last modified: 2024/10/08 12:11 by kissa