Question

    Find the missing term?

    81, 41, 42, 64.5, ?, 330

    A 131 Correct Answer Incorrect Answer
    B 118.5 Correct Answer Incorrect Answer
    C 129 Correct Answer Incorrect Answer
    D 105.5 Correct Answer Incorrect Answer
    E 130 Correct Answer Incorrect Answer

    Solution

    Clearly, the given series follows the pattern (-7× ½),(-6× ½),(-5× ½),(-4× ½),(-3× ½),(-2 ×½),(-1× ½) Missing term = (41-1) ×1/2=20 Missing term= [(64.5×2) + 2] = 131

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