Home
Class 10
MATHS
Find an A.P. whose fourth term is 9 and ...

Find an A.P. whose fourth term is 9 and the sum of its sixth term and thirteenth term is 40.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2019

    X BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SECTION-C|5 Videos

Similar Questions

Explore conceptually related problems

Find the A.P. whose 6th term =5 and 10th term=9

Determine the AP whose fifth term is 19 and the difference of the eighth term from the thirteenth term is 20.

Find the common difference of an A.P. whose first term is 5 and the sum of its first four terms is half the sum of the next four terms.

Find the common difference of an A.P. whose first term is 5 and the sum of its first four terms is half the sum of the next four terms.

Find the common difference of an A.P. whose first term is 5 and the sum of its first four terms is half the sum of the next four terms.

The sum of the 4th term and the 8th term of an A.P is 24 and the sum of the 6th term and the 10th term is 44. Find the first three terms of the A.P.

The first term of an A.P. is 5, the last term is 45 and the sum of its terms is 1000. Find the number of terms and the common difference of the A.P.

Find the sum of first 25 terms of an A.P. whose nth term is 1- 4n

Find the sum of n terms of an A.P. whose nth term is (2n+1).

In an A.P., the first term is 2 and the sum of the first five terms is one-fourth of the next five terms. Show that 20th term is 112 .

X BOARD PREVIOUS YEAR PAPER ENGLISH-X Boards-All Questions
  1. A ticket is drawn at random from a bag containing tickets numbered fro...

    Text Solution

    |

  2. . Find the roots of the following quadratic equation : x^2 - 3 sqrt5 ...

    Text Solution

    |

  3. Find an A.P. whose fourth term is 9 and the sum of its sixth term and ...

    Text Solution

    |

  4. Draw a pair of tangent to a circle of radius 5 cm which are inclined t...

    Text Solution

    |

  5. A chord of a circle of radius 12 cm subtends an angle of 120^@at the ...

    Text Solution

    |

  6. An open metal bucket is in the shape of a frustum of a cone of height ...

    Text Solution

    |

  7. Point (x,4) lies on the line segment joining the points A (-5, 8) and ...

    Text Solution

    |

  8. Let A(3, 2),B(-4, 1), C(-3, 1) and D(2, -4) be the vertices of a quadr...

    Text Solution

    |

  9. From the top of a vertical tower, the angles of depression of two cars...

    Text Solution

    |

  10. Two dice are rolled once. Find the probability of getting such numbers...

    Text Solution

    |

  11. Prove that the tangent at any point of circle is perpendicular to the ...

    Text Solution

    |

  12. The first and the last terms of an AP are 17 and 350 respectively. ...

    Text Solution

    |

  13. A train travels 180 km at a uniform speed. If the speed had been 9 km/...

    Text Solution

    |

  14. Three circles each of radius 3.5 cm are drawn in such a way that each ...

    Text Solution

    |

  15. Water is flowing at the rate of 15 km/hour through a pipe of diameter ...

    Text Solution

    |

  16. The angle of elevation of the top of a vertical tower from a point on ...

    Text Solution

    |

  17. The roots of the quadratic equation 2x^2 - x - 6 = 0 are

    Text Solution

    |

  18. If the n^(t h) term of an A.P., is (2n+1), then the sum of its first...

    Text Solution

    |

  19. From a point Q, 13 cm away from the centre of a circle, the length of ...

    Text Solution

    |

  20. AP, AQ and BC are tangents to the circle. If AB = 5 cm, AC = 6 cm and ...

    Text Solution

    |