Permutations + factorial - practice problems - last page
Number of problems found: 68
- 7 heroes
6 heroes galloping on 6 horses behind. How many ways can we sort them behind? - 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? - Chess
How many ways can you select 4 fields on a classic chessboard with 64 fields so that fields don't have the same color?
- Playing cards
How many possible ways are there to shuffle 8 playing cards? - School trip
The class has 19 students. How can students be accommodated in the hostel, where available 3× 2-bed, 3× 3-bed and 1× 4-bed rooms? (Each room has its unique number) - Seating
How many ways can 7 people sit on 5 numbered chairs (e. g., seat reservation on the train)? - Phone numbers
How many 9-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated?
We apologize, but in this category are not a lot of examples.
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