Combinatorics - math word problems - page 34 of 55
Number of problems found: 1090
- Air draft
The numbers 1,2,3,4,5 are written on five tickets on the table. Air draft randomly shuffled the tickets and composed a 5-digit number from them. What is the probability that he passed: and the largest possible number b, the smallest possible number c, a n - In the shipment
There are 40 products in the shipment. Of these, 4 are defective. In how many ways can we select 5 products so that exactly 3 of them are good? - Probability - coloured balls The cube has 6 blue, 8 red, and 10 green balls. The player randomly draws 3 balls. Determine the probability that he draws balls of the same color.
- City path count
There are 5 roads from city A to city B, 3 from city B to city C, and 4 from city C to city D. Determine the number of paths that go from A to D via B and C. - Three-digit number creation
From the number 5,4,0,7,8, create three-digit numbers, so they do not repeat and solve the problem by calculation. - Card selection ways
How many ways do we know to select three cards from a deck of seven cards so that there are two red and one green between them? - Three-digit
How many three-digit natural numbers do not have the number 7? - Natural numbers
How many natural numbers can we create less than 301 from the number 0,1,2,3,6,7? - Sum 10
What is the probability that two dice thrown twice in a row will result in the sum of 10? - Basketball
Peter and Franta threw to the basket. Each had 20 attempts. Peter scored thirteen and twelve Franta. Give them a percentage of success. - Five-digit number creation
Create all five-digit numbers in ascending order from three, four, and two zeros. - Book shelf positions
How many positions are there to store three books on the shelf? - Hockey Championships
At the 2021 World Hockey Championships, there are eight teams in Group A, each playing seven matches. There are 4 points for each team to gain points (3-2-1-0), but it is always paired with the opponent's points ( 0-1-2-3). How many points are there possi - Ways
There are 3 different roads from Lehota to Hradec and 4 different roads from Hradec to Buda. Determine the number of ways in which it is possible to choose the route from Lehota via Hradec to Buda and back so that no road is used twice. - Five-digit different digits
Determine the number of all five-digit natural numbers in which every two digits are different in decimal notation. - Ring bead combinations The ring consists of 4 beads. There are 5 different colors of beads in the package. How many possibilities are there to create one ring, and can the colors repeat?
- Dice five probability
What is the probability that two fives are rolled when two dice are rolled if we know that the sum of both numbers is divisible by five? - Car parking ways
How many ways can ten cars park side by side in a parking lot? - Table and chairs
Four people should sit at a table in front of a row of 7 chairs. What is the probability that there will be no empty chairs between them if people randomly choose their place? - Possible combinations - word
How many ways can the letters F, A, I, and R be arranged?
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