Home
Class 10
MATHS
How many terms of the AP: 9, 17, 25, . ....

How many terms of the AP: 9, 17, 25, . . . must be taken to give a sum of 636?

Text Solution

Verified by Experts

The correct Answer is:
`n = 12`
Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    OSWAL PUBLICATION|Exercise NCERT CORNER (EXERCISE-5.4)|4 Videos

  • ARITHMETIC PROGRESSIONS

    OSWAL PUBLICATION|Exercise NCERT EXAMPLAR (EXERCISE-5.1)|19 Videos

  • ARITHMETIC PROGRESSIONS

    OSWAL PUBLICATION|Exercise NCERT CORNER (EXERCISE-5.2)|26 Videos

  • ARITHMETIC PROGRESSION

    OSWAL PUBLICATION|Exercise SELF -ASSESSMENT |22 Videos

  • C.B.S.E 2020 CLASS -X (DELHI)

    OSWAL PUBLICATION|Exercise DELHI SET -III ( SECTION- D ) |1 Videos

Similar Questions

Explore conceptually related problems

How many terms of the A.P. 9, 17, 25, …..must be taken to give a sum of 636 ?

How many terms of the A.P.: 9,17,25,.... must be taken to give a sum of 636?

How many terms of the A.P: 9,17,25 , ……. must be taken to give a sum of 636 ?

How many terms of the AP 21, 18, 15,… must be added to get the sum 0?

How many terms of the A.P.9,17,25, must be taken so that their sum is 636?

How many terms of the AP 1,2,3,... must be taken so that their sum is 55

How many terms of the AP 3, 5, 7, 9, … must be added to get the sum 120?

How many terms of the AP:24,21,18,... must be taken so that their sum is 78?

How many terms of the A.P.63,60,57,..... must be taken so that their sum is 693?

OSWAL PUBLICATION-ARITHMETIC PROGRESSIONS -NCERT CORNER (EXERCISE-5.3)
  1. In an A. P. : given a = 3, n = 8, S = 192, find d.

    Text Solution

    |

  2. In an A. P. : given l = 28, S = 144, and there are total 9 terms Fin...

    Text Solution

    |

  3. How many terms of the AP: 9, 17, 25, . . . must be taken to give a sum...

    Text Solution

    |

  4. The first term of an A.P. is 5, the last term is 45 and the sum is 400...

    Text Solution

    |

  5. The first and the last terms of an A.P. are 17 and 350 respectively. I...

    Text Solution

    |

  6. Find the sum of first 22 terms of an A.P. in which d = 7 and 22 nd ter...

    Text Solution

    |

  7. Find the sum of first 51 terms of an A.P. whose second and third terms...

    Text Solution

    |

  8. If the sum of first 7 terms of an A.P. is 49 and that of 17 terms is 2...

    Text Solution

    |

  9. Show that a (1), a (2), …., a (n),… from an A.P. where a (n) is define...

    Text Solution

    |

  10. Show that a (1), a (2), …., a (n),… from an A.P. where a (n) is define...

    Text Solution

    |

  11. If the sum of the first n terms of an A.P. is 4n - n ^(2), what is the...

    Text Solution

    |

  12. The sum of first 40 positive integers divisible by 6 is

    Text Solution

    |

  13. Find the sum of the first 15 multiples of 8.

    Text Solution

    |

  14. Find the sum of the odd numbers between 0 and 50.

    Text Solution

    |

  15. A contract on construction job specifies a penalty for delay of com...

    Text Solution

    |

  16. A sum of Rs 700 is to be used to give seven cash prizes to students...

    Text Solution

    |

  17. In a school, students thought of planting trees in and around the scho...

    Text Solution

    |

  18. A spiral is made up of successive semicircles, with centres alternate...

    Text Solution

    |

  19. 200 logs are stacked in the following manner: 20 logs in the bottom ...

    Text Solution

    |

  20. In a potato race, a bucket is placed at the starting point, which is ...

    Text Solution

    |