Home
Class 12
MATHS
The number of rectangles formed in a...

The number of rectangles formed in a chess board is

A

`""^(8)C_(2).""^(8)C_(2)`

B

`""^(64)C_(4)`

C

`""^(9)C_(2).""^(9)C_(2)`

D

`""^(8)C_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise EXERCISE-II|229 Videos

  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|163 Videos

  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|50 Videos

  • PARTIAL FRACTIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|31 Videos

  • PROBABILITY

    AAKASH SERIES|Exercise Practise Exercise|165 Videos

Similar Questions

Explore conceptually related problems

The number of rectangles which are not squares formed in a chess board is

Number of rectangles in the figure is_

Each angle of a rectangle is

Perimeter of rectangle =………

Area of rectangle =……….

Area of Any Rectangle =

The number of dimensions of a rectangle is

AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-I
  1. If ""^(n)C(3)=10, then n is

    Text Solution

    |

  2. If ""^(n)C(r) denotes the number of combinations of n things taken r t...

    Text Solution

    |

  3. If ""^(8)C(3)+""^((n+2))C(4)=""^(9)C(4), then n is

    Text Solution

    |

  4. IF C (2n, 3) : C (n,2) = 12 : 1, then n=

    Text Solution

    |

  5. The number of ways in which a team of 6 players can be chosen from 11 ...

    Text Solution

    |

  6. The number of diagonals in a polygon of 10 sides is

    Text Solution

    |

  7. If these are 8 points on a circle, then number of different line seg...

    Text Solution

    |

  8. If these are 8 points on a circle, Number of triangles formed by joi...

    Text Solution

    |

  9. There are 10 parallel lines intersected by a family of 5 parallel line...

    Text Solution

    |

  10. The number of rectangles formed in a chess board is

    Text Solution

    |

  11. Assuming the balls to be identical except for difference in colours, t...

    Text Solution

    |

  12. Numbar of different sums that can be formed with half rupee coin, a tw...

    Text Solution

    |

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

    Text Solution

    |

  14. The number of divisors of 7! is

    Text Solution

    |

  15. The sum of divisors of 2 ^5 3^4 5^3 is

    Text Solution

    |

  16. The number of ways can 9 things be divided equally among 3 persons is

    Text Solution

    |

  17. The number of ways in which 9 things can be divided into 3 equal group...

    Text Solution

    |

  18. In how many ways can 52 cards be divided among 4 players so t...

    Text Solution

    |

  19. The number of ways of awaring 9 scholarships among three students so t...

    Text Solution

    |

  20. The number of ways of dividing 10 books into 3 group of 5,3,2,...

    Text Solution

    |