Home
Class 11
MATHS
How many chords can be drawn through 21 ...

How many chords can be drawn through 21 points on a circle?

Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER (2)

    JBD PUBLICATION|Exercise EXERCISE|41 Videos
  • MODEL PAPER (4)

    JBD PUBLICATION|Exercise EXERCISE|39 Videos

Similar Questions

Explore conceptually related problems

How many lines can be drawn through 6 points on a circle ?

How many triangles can be drawn through n points on a circle ?

Given three non-collinear points. How many circles can be drawn through these three points?

How many circles can be drawn to pass through two given points?

How many lines can be drawn through three non-collinear points?

How many lines can pass through a given point?

How many lines can pass through? A given point?

How many lines can pass through one given point?

JBD PUBLICATION-MODEL PAPER (3)-EXERCISE
  1. Show that: sn10^@+sin20^@+sin40^@+sin50^@=sin70^@+sin80^@

    Text Solution

    |

  2. Prove by the principle of mathematical induction: 1+2+3+……..+n<1/8(2n+...

    Text Solution

    |

  3. How many 3-digit even numbers can be made using the digits 1, 2, 3, 4,...

    Text Solution

    |

  4. How many chords can be drawn through 21 points on a circle?

    Text Solution

    |

  5. The sums of n terms of two arithmetic progressions are in the ratio 5n...

    Text Solution

    |

  6. The sum of two numbers is 6 times their G.M. show that numbers are in ...

    Text Solution

    |

  7. Reduce the following equations of the line to slope intercept form and...

    Text Solution

    |

  8. Reduce the following equations of the line to slope intercept form and...

    Text Solution

    |

  9. Reduce the following equations of the line to slope intercept form and...

    Text Solution

    |

  10. Verify that the locus of a point P which moves so that the sum of its ...

    Text Solution

    |

  11. Differetiate the function:[(x+2)(1-3x)]/(2x+1),x ne -1/2 w.r.t.x.

    Text Solution

    |

  12. Letters of the word "EDUCATION" are rearranged. Find the probability t...

    Text Solution

    |

  13. Convert the following in the polar form : (1+7i)/(2-i)^2.

    Text Solution

    |

  14. Solve the following equation :- x^2 + x/sqrt2+1 = 0

    Text Solution

    |

  15. Find all pairs of consecutive even positive integers, both of which ar...

    Text Solution

    |

  16. Solve the inequalities given below:- 7le ((3x+11))/2le11

    Text Solution

    |

  17. Solve the following inequalities: -15 le (3(x-2))/5 le 0

    Text Solution

    |

  18. Evaluate: underset(xrarrsqrt2)lim (x^9-3x^8+x^6-9x^4-4x^2-16x+84)/(x^5...

    Text Solution

    |

  19. Find the derivative of (ax + b)^n

    Text Solution

    |

  20. Coefficient of variation of two distributions are 60% and 70% and thei...

    Text Solution

    |