maths

posted by .

n how many ways can 8 persons be seated at a round table so that all shall not have the same neighbours in any two arrangements?

  • math - probability -

    (1/2)8! = 20,160

    The 1/2 is there because there is a clockwise and counterclockwise arrangement of the same 8 sequence of people.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. MAth

    Please help. a). How many ways can a person select three appetizers and two soups if there are six appetizers and five soups on the dinner menu?
  2. PLEASE HELP

    a). How many ways can a person select three appetizers and two soups if there are six appetizers and five soups on the dinner menu?
  3. GCSE Maths - Probability

    First the denominator. There are 8*7*6*5*4*3*2*1 = 40320 ways the 8 friends could be seated. Now the numerator: There a 6 possible seats for Trevor (he cant have an end seat). For each of these 6 seats, the two brothers could be seated …
  4. maths

    there is a long table having 8 chairs on each side .there are 16 persons who are to be seated for a tea party.4 of them want to sit on a particular side and 2 other want to sit on the other side. in how many ways all the 16 people …
  5. probability

    How many ways can 12 people be seated about a round table?
  6. Permutations/Combinations

    In how many ways can 5 men and 5 women be seated at a round table if two men must not sit together?
  7. math

    A class of college freshmen is composed of 110 students. Among these students, 75 are taking English, 52 are taking history, 50 are taking math, 33 are taking English and history, 30 are taking English and Math, 22 are taking History …
  8. maths

    A restaurant has tables that can seat either 4 or 7 persons. there are 12 four seaters and 8 seven seater tables. a) what is the largest number of persons that can be seated if all the four seater tables only are occupied?
  9. math

    A restaurant has tables that can seat either 4 or 7 persons. there are 12 four seaters and 8 seven seater tables. a) what is the largest number of persons that can be seated if all the four seater tables only are occupied?
  10. Math

    7 men are 5 women are seated in a row.Find the ways they can be sated so that two women are not together. Starting with a man, the ways=(7!*5!)*2!,multiplied by 2! because we can reverse the way seated. Starting with a woman, ways=(5!*7*6*5*4)*(3*2*1),multiplied …

More Similar Questions