Home
Class 12
MATHS
A man has 10 friends. In how many ways h...

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

A

`(10)!`

B

`2^(10)`

C

`(10)!-1`

D

`2^(10)-1`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 9|66 Videos

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 8|90 Videos

  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 8|30 Videos

  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

Similar Questions

Explore conceptually related problems

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

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

A man has 6 friends .how many ways can be invite one or more of them to a party?

In how many ways can 6 boys form a ring ?

A gentle man wants to invite six friends. In how many ways can he send invitation cards to them, if he has three servants to carry the cards.

A man has three friends. The number of ways he can invite one friend everyday for dinner on six successive nights so that no friend is invited more than three times is a. 640 b. 320 c. 420 d. 510

A person has got 15 acquaintances of whom 10 are relatives . In how many ways he may invite 9 guests so that 7 of them would be relatives ?

A committee of 3 persons is to be constituted from a group of 2 men and 3 women. In how many ways can this be done? How many of these committees would consist of 1 man and 2 women?

A committee of 3 persons is to be constituted from a group of 2 men and 3 women. In how many ways can this be done ? How many of these committees would consist of 1 man and 2 women ?

Seven people leave their bags outside at temple and returning after worshiping picked one bag each at random. In how many ways at least one and at most three of them get their correct bags?

CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 6
  1. The argument of the complex number z=1 + i tan ""(3pi)/(5) is-

    Text Solution

    |

  2. If a (r) is the coefficient of x^r in the expansion of (1+ x+x^(2)) ^(...

    Text Solution

    |

  3. A man has 10 friends. In how many ways he can invite one of more of th...

    Text Solution

    |

  4. There are 10 points in space of which 5 points are in the same plane, ...

    Text Solution

    |

  5. The statement a+ib lt c+ id is true for-

    Text Solution

    |

  6. If a,b,c,d,e are in A.P., then the value of (a+b+5c-5d+e) in terms of ...

    Text Solution

    |

  7. If x+1/x =sqrt3, then one value of x is-

    Text Solution

    |

  8. Two variables x and y are related by y=8+2x, if the S.D. of x is 3, th...

    Text Solution

    |

  9. From a set of 100 cards numbered 1 to 100, one card is drawn at random...

    Text Solution

    |

  10. Let S(k): 1+3+5+…+(2k-1) =3+k^(2), state which of the following is tru...

    Text Solution

    |

  11. If the term independent of x in the expansion of (sqrtx +(k)/(x^(2)))^...

    Text Solution

    |

  12. If 5/3 (2-x)ge 3/5 (x-2), state which of the following is true-

    Text Solution

    |

  13. If (cos theta + i sin theta)(cos 2 theta +i sin 2 theta ) …(cos n thet...

    Text Solution

    |

  14. Let z(1) and z(2) be the roots of z ^(2)+az+b=0. If the origin, z(1) ...

    Text Solution

    |

  15. The number of terms in the expansion of (a+b+c)^(10) is-

    Text Solution

    |

  16. A straight line passes through P (1,2) and is such that its intercept...

    Text Solution

    |

  17. The coordinates of the centroid of the triangle where the mid-points o...

    Text Solution

    |

  18. A ray of light passing through the point (1,2) is reflected on the x-a...

    Text Solution

    |

  19. The equation ax+by+c=0 reduces to the form ax+by=0 referred to new ori...

    Text Solution

    |

  20. In three dimensional space, if the coordinates of tow ends o fa diango...

    Text Solution

    |