Combinatorics - math word problems - page 44 of 54
Number of problems found: 1079
- Probability 81679
What is the probability that a roll of three dice will result in a number less than 7? - Bookshelf and books
How many ways can we place seven books on a bookshelf? - Seating
How many ways can 7 people sit on 5 numbered chairs (e.g., seat reservation on the train)? - Probability 47373
We were tasked with throwing the dice until we hit the "six." a) Find the average number of throws we will have to make to complete the task. b) How many times do we have to roll the dice so that the probability of falling at least one "six" is at least 9 - Ace
We pulled out one card from a complete set of playing cards (32 cards). What is the probability of pulling the ace? - Guests
How many ways can 8 guests sit down on 10 seats standing in a row? - Twenty-five
How many are three-digit natural numbers divisible by 25? - Exchange € 100
Find out how many ways you can exchange € 100 if you have an unlimited number of 50, 20, 10, and 5 euro banknotes. Use a method other than listing all options systematically. - Probability 81964
Calculate the probability of the event that you sit in seats 1 to 30 in the cinema at: a) seat marked with a prime number b) seat marked with an even number c) a seat marked with a number divisible by 3 or 4 - Shelf
How many ways are there to arrange 6 books on a shelf? - Events
Event W has the probability of 0.57. What is the probability that the event W occurs in 2, 6, 5 try? - 7 heroes
6 heroes galloping on 6 horses behind. How many ways can we sort them behind? - Distinguish 71184
We randomly choose a family with three children. We distinguish between gender and age. Determine the probability that: a) the youngest girl will be among the children b) all children will be of the same sex - Installments 39841 I received 30 euros in 7 installments, each installment being in whole euros. How many ways could this happen? What if the installments can be even 0 euros? How many possible solutions will there be?
- IQ Intelligence quotient
Intelligence quotient (IQ) is a standardized score used as the output of standardized intelligence psychological tests to quantify a person's intelligence with the rest of the population (respectively, to a given group). Intelligence has an approximately - Two dice
We roll two dice. What is the probability that the sum of the falling numbers is greater than 3? - Variations 5437
From how many elements can we create six times as many variations of the second class without repetition as variations of the third class without repetition? - Green cards
We draw 4 cards from 32 cards. In how many ways can we draw a) exactly 2 aces, b) 3 green ones - Vans
In how many ways can 5 shuttle vans line up at the airport? - Chocolates
In the market, we have 3 kinds of chocolates. How many ways can we buy 8 chocolates?
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