Home
Class 12
MATHS
Number of ways of seating 20 persons at ...

Number of ways of seating 20 persons at two round tables. Seating 10 to each table is

A

`(20!)/(100)`

B

`(20!)/(81)`

C

`(20!)/(10)`

D

`(20!)/(9)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|163 Videos
  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise EXERCISE-I|60 Videos
  • PARTIAL FRACTIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|31 Videos
  • PROBABILITY

    AAKASH SERIES|Exercise Practise Exercise|165 Videos

Similar Questions

Explore conceptually related problems

If n persons are sitting in a row, find the number of ways of selecting two persons, who are sitting adjacent to each other.

10 persons are sitting in a row. Find the number of ways of selecting two persons out of them who are sitting adjacent to each other

14 persons are seated at a round table. Find the number of ways of selecting two persons out of them who are not seated adjacent to each other.

The number of ways in which 7 persons can sit around a rouund table is

The number of ways can 8 students sit round the table are

Find the number of ways to arrange 8 persons around circular table id two specified persons wish to sit together

The number of ways can 11 persons sit around a table so that all shall not have the same neighbours in any two arrangements is

AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
  1. The number of words which can be formed out of letters a, b, c, d, e, ...

    Text Solution

    |

  2. A three digit number n is such that the last two digits of it ...

    Text Solution

    |

  3. The number of 3 digited numbers "abc' such that bltc is

    Text Solution

    |

  4. A box contains 5 pairs of shoes. If 4 shoes are selected, then the num...

    Text Solution

    |

  5. Number of ways of seating 20 persons at two round tables. Seating 10 t...

    Text Solution

    |

  6. A binary sequence is an array of '0' s and 1's . The number o...

    Text Solution

    |

  7. A guard of 12 men is formed a group of n soldiers . It is found...

    Text Solution

    |

  8. In a polygon, no three diagonals are con current. If the total no. of ...

    Text Solution

    |

  9. A is a set containing n elements. A subset P of A is chosen. The set A...

    Text Solution

    |

  10. A is a set containing n elements. A subset P of A is chosen. The set A...

    Text Solution

    |

  11. A is a set containing n elements. A subset P of A is chosen. The set A...

    Text Solution

    |

  12. There are 10 intermediate stations on a railway line between two parti...

    Text Solution

    |

  13. No.of divisors of the form 4n+2(nge0) of the integer 240 is

    Text Solution

    |

  14. The number of ways in which 6 things can be divided Statement-I: in...

    Text Solution

    |

  15. IF a,b,c be the number of positive integral integral divisors o...

    Text Solution

    |

  16. Match the following {:("List-I","List-II"),((I)""^(n)C(r+1)+2""^(n)C...

    Text Solution

    |

  17. Assertion (A) : If 5 parallel lines intersect 4 parallel lines, then t...

    Text Solution

    |

  18. Assertion (A) : The number of positive integral solutions of x(1)+x(2)...

    Text Solution

    |

  19. There are two ums. Um A has 3 distinct red balls and um B has 9 distin...

    Text Solution

    |

  20. Statement -1 the number of ways of distributing 10 identical ball...

    Text Solution

    |