JEE Main & Advanced Mathematics Sequence & Series Question Bank Harmonic Progression

  • question_answer
    The first term of a harmonic progression is 1/7 and the second term is 1/9. The \[{{12}^{th}}\] term is [MP PET 1994]

    A) 1/19

    B) 1/29

    C) 1/17

    D) 1/27

    Correct Answer: B

    Solution :

    Here first term of A.P. be 7 and second be 9, then \[{{12}^{th}}\] term will be\[7+11\times 2=29\]. Hence \[{{12}^{th}}\] term of the H.P. be\[\frac{1}{29}\].


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