Home
Class 12
MATHS
the third term of an A.P. is 18 and seve...

the third term of an `A.P.` is `18` and seventh term if `30` then find sum of `17` terms

Text Solution

Verified by Experts

612
Promotional Banner

Topper's Solved these Questions

  • SEQUENCE & SERIES

    MOTION|Exercise Exercise -3 Subjective /JEE Advanced (Comprehension )|3 Videos

  • SEQUENCE & SERIES

    MOTION|Exercise Exercise -4 Level -I Previous Year /JEE Main|19 Videos

  • SEQUENCE & SERIES

    MOTION|Exercise Exercise -2 (Level -II) Multiple Correct /JEE Advanced|9 Videos

  • QUADRATIC EQUATION

    MOTION|Exercise EXERCISE 4 (PREVIOUS YEAR| JEE MAIN)|25 Videos

  • SOLUTION OF TRIANGLE

    MOTION|Exercise EXERCISE - 4( LEVEL II)|10 Videos

Similar Questions

Explore conceptually related problems

The third term of an AP is 1/5 and the 5th term is 1/3 find the sum of 15 terms of the AP:

The third term of an A.P. is 25 and the tenth term is -3. find the first term and the common difference.

If the seventh term of an A.P. is 1/9 and its ninth term is 1/7 ,find its 63^(rd) term .

The third term of an A.P.is 7 and the seventh term exceeds three xx the third term by 2. Find the first term,the common difference and the sum of first 20 terms.

If the sum of first 6 terms of A.P.is 96 and sum of first 10 terms is 240 ,then find the sum of n terms of A.P.

If the nth term of an A.P. is 4n-1 , find the 30th term and the sum of first 30 terms.

If the 2^(nd) term of an A.P. is 8 and the 5 ^(th) term is 17, find its 19^(th) term.

MOTION-SEQUENCE & SERIES -Exercise -3 Subjective /JEE Advanced
  1. the third term of an A.P. is 18 and seventh term if 30 then find sum o...

    Text Solution

    |

  2. Find the numberof integer between 100 and 1000 that are i. divisible b...

    Text Solution

    |

  3. Find the sum of all those integers between 100 and 800 each of which o...

    Text Solution

    |

  4. The sum of three numbers in A.P. is 27, and their product is 504, find...

    Text Solution

    |

  5. If a, b, c are in A.P., then show that (i) b + c – a, c + a – b, a + ...

    Text Solution

    |

  6. In an AP of which 'a' is the Ist term, if the sum of the Ist p terms i...

    Text Solution

    |

  7. .2 (a) If pth, qth, rth term of an A.P. are a, b, c respectively, show...

    Text Solution

    |

  8. If the continued product of three numbers in G.P. is 216 and the sum o...

    Text Solution

    |

  9. If the pth, qth, rth terms of a G. P. be a, b, c respectively, prove t...

    Text Solution

    |

  10. Find the sum in the nth group of sequence, (I 1,(2,3),(4,5,6,7),(8,9...

    Text Solution

    |

  11. Circles are inscribed in the acute angle alpha so that every neighbour...

    Text Solution

    |

  12. If the first 3 consecutive terms of a geometrical progression are the ...

    Text Solution

    |

  13. The sum of three numbers which are consecutive terms of an A.P. is 21....

    Text Solution

    |

  14. The sum of infinite number of terms of a G.P. is 4 and the sum of thei...

    Text Solution

    |

  15. Sum of the following series (i) 1+(2)/(2)+(3)/(2^2)+(4)/(2^3)+……..to...

    Text Solution

    |

  16. The sum of first ten terms of an A.P. is 155 and the sum of first two ...

    Text Solution

    |

  17. In a set of four number, the first three are in GP & the last three ar...

    Text Solution

    |

  18. Find the 4^(th) term of an H.P., whose 7^(th) term is 1/20 and 13^(th)...

    Text Solution

    |

  19. Find the sum of the n terms of the series whose nth term is (i) n(n+...

    Text Solution

    |

  20. Find the sum of the series (5)/(13)+(55)/(13)^2+(555)/(13)^2+(5555)/((...

    Text Solution

    |