Kids

How many different ways can sit 8 boys and 3 girls in line, if girls want to sit on the edge?

Result

n =  2177280

Solution:

n=3(8+32)!(31)=2177280n = 3 \cdot (8+3-2)! \cdot (3-1) = 2177280



Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!





Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




Tips to related online calculators
See also our permutations calculator.
Would you like to compute count of combinations?

Next similar math problems:

  1. Lock
    combination-lock A combination lock will open when the right choice of 3 numbers (from 1 to 16 inclusive) is selected. A. How many different lock combinations are possible? B. Is the combination lock named appropriately?
  2. Cars plates
    car_plate How many different licence plates can country have, given that they use 3 letters followed by 3 digits?
  3. Numbers
    numbers_3 How many different 3 digit natural numbers in which no digit is repeated, can be composed from digits 0,1,2?
  4. 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?
  5. Vans
    shuttlevan In how many ways can 9 shuttle vans line up at the airport?
  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. Pairs
    pair 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?
  8. Playing cards
    playing_cards How many possible ways are to shuffle 7 playing cards?
  9. Shelf
    bookshelf.JPG How many ways are there to arrange 6 books on a shelf?
  10. Practice
    telocvik How many ways can you place 20 pupils in a row when starting on practice?
  11. Possible combinations - word
    dices2 How many ways can the letters F, A, I, R be arranged?
  12. Guests
    hostia How many ways can 7 guests sit down on 8 seats standing in a row?
  13. PIN - codes
    pin How many five-digit PIN - code can we create using the even numbers?
  14. Permutations without repetition
    permutations_3 From how many elements we can create 720 permutations without repetition?
  15. Words
    words How many 3 letter "words" are possible using 14 letters of the alphabet? a) n - without repetition b) m - with repetition
  16. Phone numbers
    old_phone How many 7-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated?
  17. Theorem prove
    thales_1 We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?