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If 7th and 13th terms of an A.P. be 34 a...

If 7th and 13th terms of an A.P. be 34 and 64 respectively, then its 18th term is

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If 7 th and 13 th terms of an A.P.be 34 and 64 respectively,then its 18th term is 87 b.88 c.89 d.90

The 10th term and the 18th term of an A.P. are 25 and 41 respectively, then find 38th term of that A.P. Similarly if nth term is 99, find the value of n.

Knowledge Check

  • If 6^(th) and 12^(th) term of an A.P. are 13 and 25 respectively , then its 20^(th) term is

    A
    37
    B
    39
    C
    41
    D
    43

  • If 16^(th) and 12^(th) term of an AP are 13 and 25 respectively, its 20^(th) term is-

    A
    41
    B
    39
    C
    43
    D
    37

  • If the 3rd and 7th terms of an A.P. are 17 and 27 respectively . Find the first term of the A.P.:

    A
    9
    B
    12
    C
    14
    D
    none of these

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    (i) The 3rd and 19th terms of an A.P. are 13 and 17 respectively. Find its 10th term. (ii) The 5th and 8th terms of an A.P. are 56 and 95 respectively. Find its 25th term.

    The 5th and 13th terms of an A.P. are 5 and -3 respectively. Find the 20th term of the progression.

    The 12^(th) term and 15^(th) term of an AP are 68 and 86 respectively. Find its 18^(th) term

    The 10th and 18th terms of an A.P.are 41 and 73 respectively.Find 26th term.

    (a) The 3rd and 19th terms of an A.P. are 13 and 77 respectively. Find the A.P. (b) The 5th and 8th terms of an A.P. are 56 and 95 respectively. Find the 25th term of this A.P. (c) The pth and qth terms of an A.P. are q and p respectively. Prove that its (p + q)th term will be zero.

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