Seating

How many ways can 7 people sit on 3 numbered chairs (eg seat reservation on the train)?

Result

N =  210

Solution:

Solution in text N =







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

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




Would you like to compute count of combinations? See also our variations calculator.

Next similar examples:

  1. Guests
    hostia How many ways can 7 guests sit down on 9 seats standing in a row?
  2. Pairs
    pair At the table sit 12 people, 6 on one side and 6 on the other side. Among them are 5 pairs. Every pair wants to sit opposite each other. How many ways can they sit?
  3. Shelf
    bookshelf.JPG How many ways are there to arrange 9 books on a shelf?
  4. Vans
    shuttlevan In how many ways can 8 shuttle vans line up at the airport?
  5. 7 heroes
    7statocnych 5 heroes galloping on 5 horses behind. How many ways can sort them behind?
  6. Football league
    football In the 2nd football league is 19 teams. How many ways can be filled first, second and third place?
  7. Playing cards
    playing_cards How many possible ways are to shuffle 7 playing cards?
  8. No. of divisors
    triangle_div How many different divisors has number ??
  9. Lock
    combination-lock Combination lock will open when the right choice of 4 numbers (from 1 to 14 inclusive) is selected. A. How many different lock combinations are possible? B. Is he combination lock named appropriately?
  10. Bits, bytes
    bits Calculate how many different numbers can be encoded in 16-bit binary word?
  11. Phone numbers
    old_phone How many 9-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated?
  12. Rectangles
    rectangles How many rectangles with area 2832 cm2 whose sides is natural numbers are?
  13. Morse alphabet
    morse_code Calculate how many words of Morse code to create compiling commas and dots in the words of one to five characters.
  14. Subsets
    1venna_sets How many are all subsets of set ??
  15. Flags
    vlajka_cz How many different flags can be made from colors white, yellow, red, blue, green, orange so that each flag consisted of three different colors?
  16. Coin and die
    die Flip a coin and then roll a six-sided die. How many possible combinations are there?
  17. 2nd class variations
    cards From how many elements you can create 6480 variations of the second class?