Home
Class 10
MATHS
Find the number of terms of an AP whose ...

Find the number of terms of an AP whose first and last terms are 5 and 80 respectively and the common difference is 3.

Text Solution

Verified by Experts

The correct Answer is:
26
Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE ( LONG ANSWER QUESTIONS )|21 Videos

  • ARITHMETIC PROGRESSIONS

    VK GLOBAL PUBLICATION|Exercise SELF ASSESSMENT TEST|10 Videos

  • ARITHMETIC PROGRESSIONS

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE ( SHORT ANSWER QUESTION I)|30 Videos

  • AREAS RELATED TO CIRCLES

    VK GLOBAL PUBLICATION|Exercise Self -Assessment Test|11 Videos

  • CIRCLES

    VK GLOBAL PUBLICATION|Exercise SELF - ASSESSMENT TEST|11 Videos

Similar Questions

Explore conceptually related problems

Find teh sum of 15 terms of an AP whose first and last terms are 5 and 75

Find the common ratio of the GP whose first and last terms are 25 and (1)/(625) respectively and the sum of the GP is (19531)/(625) .

If the first and the last term is an AP are 17 and 350 respectively and the common difference is 9 , then the number of terms is .

Find the sum of the first 22 terms of an AP whose first term is 4 and the common difference is (4)/(3) .

The sum of the first n terms of an AP whose first term is 8 and the common difference is 20, is equal to the sum of first 2n terms of another AP whose first terms is -30 and the common difference is 8. find n

The sum of the first n terms of an AP whose first term is 8 and the common difference is 20 is equal to the sum of first 2n terms of another AP whose first term is -30 and the common difference is 8. Find n.

Find the 14 th term of an AP whose first term is 3 and the common difference is 2.

An A.P. consists of 40 terms . If the first and the last terms are -4 and 269 respectively find the 23^(rd) term.

The first term of an A.Pis 2and the last term is the sum of all these terms is 442. Find the common difference.

VK GLOBAL PUBLICATION-ARITHMETIC PROGRESSIONS -PROFICIENCY EXERCISE ( SHORT ANSWER QUESTION II)
  1. If m times the mth term of an AP is equal to n times its nth term, the...

    Text Solution

    |

  2. Is -156 a term of the AP 17, 14, 11, 8 .......... ?

    Text Solution

    |

  3. Find the number of terms of an AP whose first and last terms are 5 and...

    Text Solution

    |

  4. In an AP, the sum of first ten terms is -150 and the sum of its next t...

    Text Solution

    |

  5. Which term of the A.P. 3,10,17, ... with be 84 more than its 13th t...

    Text Solution

    |

  6. If 9t h term of an A.P. is zero, prove that its 29 t h term is d...

    Text Solution

    |

  7. For what value of n, are the nth terms of two AP’s : 15, 12, 9 ,.........

    Text Solution

    |

  8. The sum of the 6th and 9 th terms ofan AP is 101 and the sum of the 10...

    Text Solution

    |

  9. The 4t h term of an A.P. is three times the first and the 7t h term...

    Text Solution

    |

  10. The sum of three terms of an A.P. is 21 and the product of the first ...

    Text Solution

    |

  11. If the sum of the first n terms of an AP is 4n - n^(2), what is the 10...

    Text Solution

    |

  12. If the nth term of an AP is (2n +1) then the sum of its first three te...

    Text Solution

    |

  13. The sum of first six terms of an A.P. is 42. The ratio of its 10th ter...

    Text Solution

    |

  14. Find the sum of all three digit natural numbers, which are divisible b...

    Text Solution

    |

  15. Find the sum of the AP 3, 9/2 , 6,15/2 ...... to 25 terms.

    Text Solution

    |

  16. How many terms are there in the A.P. whose first and fifth terms are ...

    Text Solution

    |

  17. Solve the equation -4+(-1)+2+ … +x =437.

    Text Solution

    |

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

    Text Solution

    |

  19. If 12th term of an A.P. is -13 and the sum of the first four terms ...

    Text Solution

    |

  20. Find the sum of the first 25 terms of an A.P. whose n t h term is ...

    Text Solution

    |