Combinatorics - math word problems - page 31 of 55
Number of problems found: 1085
- Divisible numbers
How many natural numbers are divisible by five less than 8000, composed of the digits 0,1,2,5,7,9? - Three subjects
In a class of 40 students, 18 passed mathematics, 19 passed accounting, 16 passed economics, five mathematics and accounting only, six mathematics only, nine accounting only, and two accounting and economics only. Each student was offered at least one of - Sport probability
Out of 20 boys playing football or handball, 16 boys play football, and 9 boys play handball. Determine the percentage probability that, by randomly selecting a boy, he plays: a) football only; b) only handball c) football and handball - Monogram letter combinations
Calculate how many different monograms (short name and surname) I can make from the letters A, E, M, Z, and K. a) with repetition: b) without repetition: - A jackpot
How many times must I play this jackpot to win? A jackpot of seven games having (1 X 2), i.e., home win or away win. - Peaches
There are 20 peaches in the pocket. Three peaches are rotten. What is the probability that one of the randomly picked two peaches will be just one rotten? - There
There were 12 members on the commission. Five members were in favor, and seven members were against the proposal. In how many ways could it help the commission vote? - Division
The division has 18 members: 10 girls, six boys, and two leaders. If one patrol has two boys, three girls, and one leader, how many different patrols can be created? - Hockey match
The hockey match ended with a result of 3:1. How many different storylines may the match have? - Word
What is the probability that a random word composed of chars S, G, R, S, E, I, N, A, L, P, C, T, M, H, E, E will be the SPHERICALSEGMENT? - Elections
In elections, candidates 8 political parties. Calculate how many possible ways the elections can finish if two parties do not get the same number of votes. - Sports Probability Problem
82% of football players, and 26% are hockey players at school. What is the probability that: A) I'm not a hockey player B) I know both sports C) I know one sport - Number combination
1. How many different options are there for exchanging a ten-euro bill with one-euro, two-euro, and five-euro bills? a) 5 b) 8 c) 14 d) 10 2. How many non-repeating three-digit numbers can be written using odd digits? a) 999 b) 225 c) 60 d) 25 - Team formation ways
Determine how many ways it is possible to form a four-member team from 6 men and four women, where there are exactly two men. - Three-digit number composition
How many three-digit numbers can be composed of 0.5,9 digits? - Player selection probability
From the group of 18 players I am, the coach selects nine players. What is the probability that I will be among the players chosen? - Electing Commander and Representative
How many ways can a commander and a representative of a 20-member group be elected? - Three-digit numbers
How many different three-digit natural numbers can be created so that the digits are different and the last digit is 0? - Triangles - combinations
How many different triangles with sides in whole centimeters have a perimeter of 12 cm? - Probability - target
A target is divided into two zones. The probability that the shooter will hit zone 1 of the target is 21%; that he will hit zone 2 of the target is 48%. What is the probability that the shooter will hit the target?
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