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    Question

    First four terms of a series are 4, 12, 36, 108. What

    will be the 6th term of this series?
    A 624 Correct Answer Incorrect Answer
    B 2916 Correct Answer Incorrect Answer
    C 324 Correct Answer Incorrect Answer
    D 972 Correct Answer Incorrect Answer

    Solution

    4, 12, 36, 108….6th term a=4, r=3 n=6 t6th =arn-1 in GP. =4× (3)6-1 =4×243 =972.

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