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    Question

    Find the geometric mean for the series given below.

    31, 93, 279 type-ssc
    A 31 Correct Answer Incorrect Answer
    B 93 Correct Answer Incorrect Answer
    C 54 Correct Answer Incorrect Answer
    D 63 Correct Answer Incorrect Answer

    Solution

    geometric mean = √ x1 x2............ xn 31×93×279 = ∛ 31×93×3×93   = ∛ 3×3×3×31×31×31   = 93

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