Factorial - practice problems - page 6 of 7
Number of problems found: 127
- Combi-triangle
Each square side is marked 10 different points outside the square's vertices. How many triangles can be constructed from this set of points, where each vertex of the triangle lies on the other side of the square?
- Numbers
How many different 4 digit natural numbers in which no digit is repeated can be composed of digits 0,1,2,3?
- Seating rules
In a class, there are 24 seats, but in the 7.B class, there are only 18 students. How many ways can students sit? (The class has 12 benches. A bench is for a pair of students.) Result (large number) logarithm and thus write down as powers of 10.
- MATES
In MATES (Small Television tipping), from 35 random numbers, five winning numbers are drawn. How many possible combinations are there?
- Cards
How many ways can you give away 32 playing cards to 7 player?
- Cinema
How many ways can 11 free tickets to the premiere of "Jáchyme throw it in the machine" be divided between 6 pensioners?
- Committees
How many different committees of 2 people can be formed from a class of 21 students?
- Commitee
A class consists of 12 males and 15 females. How many committees of 6 are possible if the committee must consist of 4 males and 2 females?
- Words
How many 2 letters "words" are possible using 14 letters of the alphabet? a) without repetition b) with repetition
- Shelf
How many ways are there to arrange 6 books on a shelf?
- Kids
How many different ways can sit 8 boys and 3 girls in line if girls want to sit on the edge?
- Vans
In how many ways can 5 shuttle vans line up at the airport?
- Candy
How many ways can 10 identical candies be divided among 5 children?
- Pairs
At the table sit 10 people, 5 on one side and 5 on the other side. Among them are 3 pairs. Every pair wants to sit opposite each other. How many ways can they sit?
- 7 heroes
6 heroes galloping on 6 horses behind. How many ways can we sort them behind?
- Colors
Arnold got birthday 7 color pens in different colors. How many ways can he give them side by side in pencil?
- 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?
- Flags
How many different flags can be made from green, white, blue, red, orange, yellow, and purple materials, so each flag consists of three different colors?
- Tournament
Determine how many ways can be chosen two representatives from 34 students to school tournament.
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