Home
Class 12
MATHS
Let T(n) be the number of all possi...

Let `T_(n)` be the number of all possible triangles formed by joining vertices of an n - sided regular polygon . IF `T_(n+1)-T _n=10` then the value of n is -

A

10

B

8

C

9

D

5

Text Solution

Verified by Experts

The correct Answer is:
D
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

The number of triangle that can be formed by joining the vertices of a regular polygon of n sides is

T_m denotes the number of triangles that can be formed with the vertices of a regular polygon of m sides . If T_(m+1)- T_m=15 then m=

Suppose t_(n) is the number of triangles formed using the vertices of a regular polygon of n sides. If t_(n+1)=t_(n)+28 then n=

Let n(A) = 4 and n(B) = 5. The number of all possible many-one functions from A to B is

Let n(A)=4 and n(B)=5 . The number of all possible many-one functions from A to B is

Let n(A) = 4 and n(B) = k. The number of all possible injections from A to B is 120 then k =

The sum of the radii of inscribed and circumscribed circles for an n sided regular polygon of side a, is

The number of diagonals for an n sided polygon is

DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
  1. The number of triangles formed by joining the vertices of a hexag...

    Text Solution

    |

  2. IF T(n) dentoes the number of triangle formed with n points in ...

    Text Solution

    |

  3. Let T(n) be the number of all possible triangles formed by joi...

    Text Solution

    |

  4. Tm denotes the number of triangles that can be formed with the ...

    Text Solution

    |

  5. Given 5 line segments of lengths 2,3,4,5,6 units then the number ...

    Text Solution

    |

  6. The greatest number of points of intersection of 8 lines and 4 cir...

    Text Solution

    |

  7. In plane there are 37 straight lines , of which 13 pass throug...

    Text Solution

    |

  8. A set of m parallel lines another another set of n parallel l...

    Text Solution

    |

  9. The number of diagonals for an n sided polygon is

    Text Solution

    |

  10. The number of diagonal for an n sided polygon with 10 sides is

    Text Solution

    |

  11. The number oif diagonals of an octagons is

    Text Solution

    |

  12. The polygon in which the number of diagonals is equal to the numbe...

    Text Solution

    |

  13. IF a polygon has 35 diagonals , then the number of sides of t...

    Text Solution

    |

  14. The number of sides of a polygon having diagonals 44 is

    Text Solution

    |

  15. A polygon has 54 diagonals , then the number of its sides is :

    Text Solution

    |

  16. A regular polygon of n sides has170 digonals . Then n=

    Text Solution

    |

  17. IF a polygon of n sides has 275 diagonals then n=

    Text Solution

    |

  18. The number of triangle that can be formed by joining the vertices ...

    Text Solution

    |

  19. The number of triangle that can be formed by joining the angula...

    Text Solution

    |

  20. The number of triangle whose vertices are at the vertices of an ...

    Text Solution

    |