Home
Class 14
MATHS
From 4 officers and 8 jawans in how many...

From 4 officers and 8 jawans in how many ways can 6 be chose To include exactly one officer To include at least one officer?

A

896

B

986

C

886

D

996

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PERCENTAGE

    UPKAR PUBLICATION |Exercise QUESTION BANK|120 Videos

  • PIPES AND CISTERNS

    UPKAR PUBLICATION |Exercise QUESTION BANK |46 Videos

Similar Questions

Explore conceptually related problems

From 4 officers and 8 clerks, in how many ways can 6 be chosen (i) to include exactly one officer, (ii) to include at least one officer?

If a team of four persons is to be selected from 8 males and 8 females, then in how many ways can the selections be made to include at least one male.

In a group of 15 boys there are 6 hockey players. In how many ways can 12 boys be selected so as to include at least 4 hockey players?

From 7 gentlemen and 4 ladies a committee of 5 is to formed. In how many ways can this be done so as to include at least one lady?

A copmmittee of 12 is to be formed from 9 women and 8 men. In how many ways this casn be done if at least five women have to be included in a committee? In how many of these committees: The women are in majority?

From 8 gentlemen and 4 ladies a committee of 5 is to be formed. In how many ways can this be done so as to include at least one lady?

UPKAR PUBLICATION -PERMUTATION AND COMBINATION-QUESTION BANK
  1. There are 25 students in a class . Find the number of ways in which a ...

    Text Solution

    |

  2. 8 men entered a lounge simultaneously . if each peron shook hands with...

    Text Solution

    |

  3. From 4 officers and 8 jawans in how many ways can 6 be chose To includ...

    Text Solution

    |

  4. Form a group of 6 men and 4 women a committee of 4 persons is to be fo...

    Text Solution

    |

  5. Form a group of 6 men and 4 women a committee of 4 persons is to be fo...

    Text Solution

    |

  6. The number of straight lines can be formed out of 10 points of which 7...

    Text Solution

    |

  7. Which of the following is incorrect?

    Text Solution

    |

  8. The number of words which can be formed out of the letters a,b,c,d,e,f...

    Text Solution

    |

  9. Find the number of different permutations of the letters of the word ...

    Text Solution

    |

  10. A polygon has 44 diagonals. The number of its sides is

    Text Solution

    |

  11. If 7 points out of 12 are in the same straight line, then what is the ...

    Text Solution

    |

  12. If ^n+2C8:^(n-2)P4: 57 : 16 , find ndot

    Text Solution

    |

  13. Everybody in a room shakes hands with everybody else. The total number...

    Text Solution

    |

  14. If ^(56)P(r+6):^(54)P(r+3)=30800 :1, find r.

    Text Solution

    |

  15. IF ""^n C(r-1)=36, ""^nCr=84, "^n C(r+1)=126 then (n,r) is equal to

    Text Solution

    |

  16. If .^(35)C(n+7)=.^(35)C(4n-2) then find the value of n.

    Text Solution

    |

  17. IF ""^(2n+1)P(n-1):"^(2n-1) Pn=3:5 then n is equal to

    Text Solution

    |

  18. The value of oversetnoverset Sigma overset(r=1)^(nPr/r!)is-

    Text Solution

    |

  19. If^nPr=720^nCrthan the value r is-

    Text Solution

    |

  20. If S = {2, 3, 4, 5, 7, 9}, then the number of different three-digit nu...

    Text Solution

    |