Home
Class 10
MATHS
In an AP, if Sn + S7 =167 and S(10) =235...

In an AP, if `S_n + S_7 =167 and S_(10) =235`, then find th AP, where `S_n` denotes the sum of its first n terms.

Promotional Banner

Topper's Solved these Questions

  • 2020 QUESTION PAPER (1)

    AGRAWAL PUBLICATION|Exercise EXERCISE|33 Videos
  • CIRCLES

    AGRAWAL PUBLICATION|Exercise EXAMPLE|51 Videos

Similar Questions

Explore conceptually related problems

In an AP, it is given that S_(5) + S_(7) = 167 "and" S_(10) = 235 , then find the AP, where S_(n) denotes the sum of its first n terms.

In an A.P. find S_(n) where a_(n) = 5n-1 . Hence find the sum of the first 20 terms.

In an AP, If S_(n)=n(4n+1), then find the AP.

If in an A.P., S_n=n^2p and S_m=m^2p , where S_r denotes the sum of r terms of the A.P., then S_p is equal to 1/2p^3 (b) m n\ p (c) p^3 (d) (m+n)p^2

If in an AP, S_(n)= qn^(2) and S_(m) =qm^(2) , where S_(r) denotes the of r terms of the AP , then S_(q) equals to

In an A.P., S_(m) = n and S_(n) = m also m gt n ,find the sum of first (m-n) terms .

in an A.PS_(4)=16,S_(6)=-48 (where S_(n) denotes the sum of first n term of A.P then S_(10) is equal to

The sum of the first five terms of an A.P. and the sum of the first seven terms of the same A.P. is 167. If the sum of first 10 terms of this A.P. is 235, find the sum of its first twenty terms.

Write the n t h term of an A.P. the sum of whose n terms is S_n .

AGRAWAL PUBLICATION-ARITHMETIC PROGRESSIONS-EXAMPLE
  1. For what value of n, are the n^(th) terms of two A.Ps 63,65,67… and 3,...

    Text Solution

    |

  2. The common difference between the terms of two AP's is same. If the di...

    Text Solution

    |

  3. In an AP, if Sn + S7 =167 and S(10) =235, then find th AP, where Sn de...

    Text Solution

    |

  4. The 4^(th) erm of an AP. Is zero. Prove that the 25th term of the A.P ...

    Text Solution

    |

  5. For an AP,it is given that the first term (a) = 5, common difference (...

    Text Solution

    |

  6. If 6 times the 6^(th) term of an AP. Is equal to 9 times the 9^(th) te...

    Text Solution

    |

  7. Find the sum of all 11 terms of an A.P. whose middles term is 30.

    Text Solution

    |

  8. Find the sum first 15 multiples of 8.

    Text Solution

    |

  9. Two AP's have the same common difference.The diference their between t...

    Text Solution

    |

  10. Justify whether it is true to say that the following are the n^(th) te...

    Text Solution

    |

  11. Justify whether it is true to say that the following are the n^(th) te...

    Text Solution

    |

  12. Justify whether it is true to say that the following are the n^(th) te...

    Text Solution

    |

  13. Find a, b, and c such that the following numbers in AP: a,7, b, 23, c.

    Text Solution

    |

  14. Determin the AP whose 5^(th) term is 19 and the difference of 8^(th) t...

    Text Solution

    |

  15. Th sum of the first 30 terms of an A.P I 1920. If the fourth term is 1...

    Text Solution

    |

  16. Which term of the A.P 20, 19 1/4 , 18 1/4, 17 1/4, ….. is the first ne...

    Text Solution

    |

  17. Find the middle term of the A.P 7,13,19,……,247.

    Text Solution

    |

  18. Split207 into three parts uch that these are in AP and the product of ...

    Text Solution

    |

  19. How many numbers lie between 10 and 300, which when divided by 4 leave...

    Text Solution

    |

  20. Find the sum of the two middle most terms of the AP: -4/3, -1,-2/3, …....

    Text Solution

    |