Factorial - 8th grade (13y) - examples

  1. Guests
    hostia How many ways can 5 guests sit down on 6 seats standing in a row?
  2. Shelf
    bookshelf.JPG How many ways are there to arrange 6 books on a shelf?
  3. Playing cards
    playing_cards How many possible ways are to shuffle 7 playing cards?
  4. Kids
    kids How many different ways can sit 8 boys and 3 girls in line, if girls want to sit on the edge?
  5. Hockey players
    players After we cycle five hockey players sit down. What is the probability that the two best scorers of this crew will sit next to each other?
  6. Friends in cinema
    cinema_1 5 friends went to the cinema. How many possible ways can sit in a row, if one of them wants to sit in the middle and the remaining's place does not matter?
  7. Tournament
    turnaj Determine how many ways can be chosen two representatives from 34 students to school tournament.
  8. Words
    words How many 3 letter "words" are possible using 14 letters of the alphabet? a) n - without repetition b) m - with repetition
  9. Olympics
    olimpiada-medaliile In how many ways can be placed 6 athletes on the podium at the Olympics? Depend on the color of the metal.
  10. MATES
    sazka In MATES (Small Television tipping) from 35 randomly numbers drawn 5 winning numbers. How many possible combinations there is?
  11. Football league
    football_3 In the football league is 16 teams. How many different sequence of results may occur at the end of the competition?
  12. Combinations of sweaters
    sveter I have 4 sweaters two are white, 1 red and 1 green. How many ways can this done?
  13. Lunch
    skola_15 Seven classmates go every day for lunch. If they always come to the front in a different order, will be enough school year to take of all the possibilities?
  14. Desks
    desks A class has 20 students. The classroom consists of 20 desks, with 4 desks in each of 5 different rows. Amy, Bob, Chloe, and David are all friends, and would like to sit in the same row. How many possible seating arrangements are there such that Amy, Bob, C

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