Home
Class 12
MATHS
a man has 4 friends , in how many w...

a man has 4 friends , in how many ways can he inivite one or more them to dinner ?

A

15

B

20

C

25

D

31

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 ( SPECIAL TYPE QUESTIONS ) SET -1|9 Videos
  • PERMUTATIONS & COMBINATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 ( SPECIAL TYPE QUESTIONS ) SET -2|5 Videos
  • PERMUTATIONS & COMBINATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1A (PERMUTATIONS )|199 Videos
  • PARTIAL FRACTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 SET - 4|2 Videos
  • PROBABILITY

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET-4|5 Videos

Similar Questions

Explore conceptually related problems

A man has 6 friends. The number of ways can he invite one or more of them to dinner is

The number of ways in which a man can invite one or more of his 8 friends to dinner is

In how many ways 5 letters can be posted in 4 post boxes.

There are 4 Oranges, 4 apples and 6 mangoes in a fruit basket. In how many ways can a person makes a selection of one or more fruits from among the fruits in the basket if all the fruits of same type are identical

There are 4 Oranges, 4 apples and 6 mangoes in a fruit basket. In how many ways can a person makes a selection of one or more fruits from among the fruits in the basket if all the fruits of same type are different

a man has 7 relatives , 4 women and 3 men . His wife also has 7 relative , 3 women and 4 men . The number of ways in which they can invite 3 women and 3 men so that 3 of them are the man's relative and 3 his wife 's is

In how many ways 4900 can be expressed as product of 2 positive integers

A man has 4 sons and there are 5 schools within his reach. In how many ways can he admit his sons in the schools so that no two of them will be in the same school.

A man has 3 sons and 6 schools within his reach . In how many ways he can send his sons to school , if no two of his sons are to read in the same school ?

There are two cars of which one holds not more than 5 and the other not more than 4. In how many ways can a party of 8 people go for excursion in the two cars?

DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
  1. The number of ways in which 6 Telugu, 4 Hindi and 3 English books be p...

    Text Solution

    |

  2. How many three digit number can be formed using digits 1-9 no digits a...

    Text Solution

    |

  3. a man has 4 friends , in how many ways can he inivite one or ...

    Text Solution

    |

  4. The number of ways in which a man can invite one or more of hi...

    Text Solution

    |

  5. The number of ways of selections one or more out of 7 given t...

    Text Solution

    |

  6. There are 10 lamps in a hall . Each one of them can be swith...

    Text Solution

    |

  7. How many different sums can be formed with the following coins ...

    Text Solution

    |

  8. In a cross word puzzle 25 words are to be gussed of which 5 ...

    Text Solution

    |

  9. In the intermediate examination a candidate has to pass in each ...

    Text Solution

    |

  10. the number of products that can be formed with 10 prime numbers ...

    Text Solution

    |

  11. A question paper contains 6 question each having an alternativ...

    Text Solution

    |

  12. The maximum number of persons in a country in which no two per...

    Text Solution

    |

  13. Each of the four questions in a multiple choice test has 4 pos...

    Text Solution

    |

  14. In an examination there are there are three multiple choice qu...

    Text Solution

    |

  15. The number of ways in which the following prizes be given to ...

    Text Solution

    |

  16. The number of subesets contining atmost 5 elements that can be...

    Text Solution

    |

  17. The number of all three element subsets of the {a1,a2 ,a3 ,… an}...

    Text Solution

    |

  18. The number all three element ofsubsets of the set A = {a1 ,a2 , . ....

    Text Solution

    |

  19. If one quarter of all three element subsets of the set A = { a1...

    Text Solution

    |

  20. The number of subsets of {1,2,3,. . . .9} conatining at least one ...

    Text Solution

    |