Home
Class 11
MATHS
In how many ways can a person invite one...

In how many ways can a person invite one or more of his 8 friends to a feast ?

Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise EXERCISE|319 Videos

  • MATHEMATICAL REASONING

    MODERN PUBLICATION|Exercise EXERCISE|169 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE|348 Videos

Similar Questions

Explore conceptually related problems

A man has 6 friends. In how many ways can he invite one or more of his friends to a party ?

A man has 7 friends. In how many ways can he invite one or more of them to a party ?

A man has 10 friends. In how many ways he can invite one or more of them to a party?

In how many ways can a tissue grow in size?

Mohan has 8 friends, in how many ways he invite one or more of them to dinner?

In how many ways can 24 persons be seated round a table, if there are 13 sets?

In how many ways can 5 persons sit in a car, 2 including the driver in the front seat and 3 in the back seat, if 2 particular persons out of the 5 are to avoid the driver's seat ?

A man has 6 friends. Number of ways he can invite one or more of them to a tea party is

In how many ways can 5 persons draw water from 5 taps, assuming no tap remains unused ?

In how many ways can six different rings be worn on the four fingers of one hand ?

MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS-EXERCISE
  1. In how many ways can 15 things be divided into groups of 8, 4 and 3 re...

    Text Solution

    |

  2. A man has 7 friends. In how many ways can he invite one or more of the...

    Text Solution

    |

  3. In how many ways can a person invite one or more of his 8 friends to a...

    Text Solution

    |

  4. In how many ways can a student of XI class choose 5 subjects out of 9 ...

    Text Solution

    |

  5. In an Examination, a candidate has to pass in each of the four subject...

    Text Solution

    |

  6. From 2 mangoes, 3 oranges and 4 apples, how many selections of fruits ...

    Text Solution

    |

  7. From 2 mangoes, 3 oranges and 4 apples, how many selections of fruits ...

    Text Solution

    |

  8. At an election, a voter may vote for any number of candidates not grea...

    Text Solution

    |

  9. If m red balls and n white balls are placed in a row so that no two wh...

    Text Solution

    |

  10. Serial numbers for an item produced in a factory are to be made using ...

    Text Solution

    |

  11. How many 3-letter code words are possible using the first 10 letters o...

    Text Solution

    |

  12. In how many ways, can three jobs I, II and III be assigned to three pe...

    Text Solution

    |

  13. A biologist studying the genetic code is interested to know the number...

    Text Solution

    |

  14. In the fig., we see that it has 4 horizontal blocks (or paths) and 3 v...

    Text Solution

    |

  15. Find the number of divisors of the number 36000.

    Text Solution

    |

  16. Prove that 33! is divisible by 2^15.

    Text Solution

    |

  17. If r is allowed to vary, find the value of r for which "^nCr is maximu...

    Text Solution

    |

  18. Find the number of ways in which the letters of the word “ARRANGEMENT”...

    Text Solution

    |

  19. How many words, with or without meaning, each of 2 vowels and 3 conson...

    Text Solution

    |

  20. How many words, with or without meaning, can be formed using all the l...

    Text Solution

    |