Home
Class 12
MATHS
Compute the ^12C3...

Compute the` ^12C_3`

Text Solution

Verified by Experts

`""^12C_3 =((12)!)/(3!9!)=(12*11*10)/(3*2)=220`
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    MBD PUBLICATION|Exercise QUESTION BANK|139 Videos

  • PRINCIPLES OF MATHEMATICAL INDUCTION

    MBD PUBLICATION|Exercise QUESTION BANK|16 Videos

Similar Questions

Explore conceptually related problems

Compute the ^15C_12

Compute the 2^3!

Compute the ""^7C_3+""^6C_4+""6C_3

Compute the ""^9C_4 + ""^9C_5

Compute the ""^8C_0+""^8C_1+……+""^8C_8

Compute the 2!^(3!)

Compute the 5!+6!

Compute the 3!xx4!

Compute the (10!)/(5i)

MBD PUBLICATION-PERMUTATIONS AND COMBINATIONS-QUESTION BANK
  1. How many of the functions Suppose A is a set of n elements and B is a ...

    Text Solution

    |

  2. In how many ways can three men and three women sit at a round table so...

    Text Solution

    |

  3. Compute the ^12C3

    Text Solution

    |

  4. Compute the ^15C12

    Text Solution

    |

  5. Compute the ""^9C4 + ""^9C5

    Text Solution

    |

  6. Compute the""^7C3+""^6C4+""6C3

    Text Solution

    |

  7. Compute the""^8C0+""^8C1+……+""^8C8

    Text Solution

    |

  8. Solve ""^nC4=""^nC11,

    Text Solution

    |

  9. Solve ""^(2n)C3:""^nC3=44:5

    Text Solution

    |

  10. Find n and r if ""^nPr=1680,""^nCr=70.

    Text Solution

    |

  11. How many diagonals can an n-gon (a polygon with n sides ) have ?

    Text Solution

    |

  12. If a set A has n elements and another set B has m elements, what is th...

    Text Solution

    |

  13. From five consonants and four vowels, how many words consist of three ...

    Text Solution

    |

  14. In how many ways can a committee of four gentlemen and three ladies b...

    Text Solution

    |

  15. A bag contains 4 black and 5 white balls out of which 6 balls are draw...

    Text Solution

    |

  16. How many triangles can be drawn by joining the vertices of a decagon ?

    Text Solution

    |

  17. How many triangles can be drawn by joining the vertices and the centre...

    Text Solution

    |

  18. Sixty points lie on a plane, out of which no three points are collinea...

    Text Solution

    |

  19. In how many ways can 10 boys and 10 girls sit in a row so that no two ...

    Text Solution

    |

  20. In how many ways can six men and seven girls sit in a row so that the ...

    Text Solution

    |