Home
Class 10
MATHS
Find the sum of the first 25 terms of...

Find the sum of the first 25 terms of an A.P. whose `n t h` term is given by `a_n=2-3n` .

Text Solution

Verified by Experts

The correct Answer is:
`-925`
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 the sum of the first 25 terms of an A.P. whose nth term is given by a_(n)=2-3n

Find the sum of the first 25 terms of an A.P. whose nth term is given by a_(n)=7-3n

Find the sum of first 31 terms of an A.P. whose nth term is (3+(2n)/(3)) .

Find the sum of first n term of the A.P., whose nth term is given by (2n+1).

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

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

Find the sum of first 24 terms of the list of numbers whose nth term is given by a_(n)=3+2n

Find the sum to n terms of an A.P.whose nth terms is t_(n)=5+6n,n in N

If the sum of first n terms of an A.P. is 3n^(2)-2n , then its 19th term is

If the sum of first 24 terms of a sequence whose n^(th) term is given by t_(n) = 3+(2n)/3 is k , then what is the value of k ?

VK GLOBAL PUBLICATION-ARITHMETIC PROGRESSIONS -PROFICIENCY EXERCISE ( SHORT ANSWER QUESTION II)
  1. The sum of the 6th and 9 th terms ofan AP is 101 and the sum of the 10...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. Yasmeen saves Rs. 32 during the first month, Rs. 36 in the second mont...

    Text Solution

    |

  15. Find the first term of an AP having 9 terms whose last term is 28 and ...

    Text Solution

    |

  16. In an A.P., the first term is 22, n t h term is -11 and the sum ...

    Text Solution

    |

  17. Find the value of the middle most term(s) of the AP: -15, -1 1 ,..... ...

    Text Solution

    |

  18. Find the sum: (i) (4-(1)/(n))+(4-(2)/(n))+(4-(3)/(n))+…up to n term...

    Text Solution

    |

  19. Which term of the AP -2,-7,-12, … will be -77 ? Find the sum of this A...

    Text Solution

    |

  20. Split 207 into three parts such that these are in AP and the product o...

    Text Solution

    |