Home
Class 12
MATHS
The number of diagonals of a polyogn of ...

The number of diagonals of a polyogn of 20 sides is-

A

150

B

170

C

125

D

210

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 4|91 Videos

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 10|1 Videos

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 9|66 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

The number of diagonals of a polygon of n sides is-

Let t_(n) denote the number of diagonals of a polygon of n sides . If t_(n+1)-t_(n)=9 find n .

Find the number of diagonals of a polygon having sides 10.

Find the number of diagonals in a polygon with n sides.

The number of diagonals in a polygon is 20. The number of sides of the polygon is:

The number of diagonals in a regular polygon of 100 sides is -

If, the number of-diagonals of a- polygon is 44. Find the number of sides of that polygon.

CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 2
  1. The locus of the point z satisfying are ((z-1)/(z+1))=k (where I is no...

    Text Solution

    |

  2. Total numbe of four digit odd numbers that can be formed using the di...

    Text Solution

    |

  3. The number of diagonals of a polyogn of 20 sides is-

    Text Solution

    |

  4. 10^(n) +3.4 ^(n+2)+5 is always divisible by (for all n in N)-

    Text Solution

    |

  5. If a,b,c are in A. P. then a/(bc), 1/c, 2/b will be in-

    Text Solution

    |

  6. If omega is an imaginary cube root of unity, then the value of (1+ ome...

    Text Solution

    |

  7. The roots of the equation x^(2)-(1-2i) x-2i =0 are -

    Text Solution

    |

  8. State which of the following is not true:

    Text Solution

    |

  9. A die is thrown. If the shows six, we drawna ball from a bag contining...

    Text Solution

    |

  10. The mean deviation about of the set of numbers 7,9,24,14 and 26 is-

    Text Solution

    |

  11. If S(n) =nP +1/2 n (n-1) Q, where S(n) is the sum of first n terms of ...

    Text Solution

    |

  12. In n parallel lines in a plane are intersected by a family of m parall...

    Text Solution

    |

  13. If 0 le x le 1, then the minimum value of (x^(2) +x+1)is-

    Text Solution

    |

  14. How many terms are there in the expansion of (4x+7y)^(10) +(4x-7y)^(10...

    Text Solution

    |

  15. If u(1) =sqrt2, u(2) =sqrt(2sqrt(2)), u(3) =sqrt(2sqrt(2sqrt2)),... th...

    Text Solution

    |

  16. The real values of x and y for which the complex numbers 9y^(2)-4- 10 ...

    Text Solution

    |

  17. The value of (2 ^(1/4). 4 ^(1/8)8^(1/16)...oo)is-

    Text Solution

    |

  18. If omega is a complex number such that omega ^(3) =1, then the value o...

    Text Solution

    |

  19. The first three terms in the expansion of (1+ ax) ^(n) are 1, 6x and ...

    Text Solution

    |

  20. A coin an a six faced die both unbiased are thrown simulaneously. The ...

    Text Solution

    |