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    Question

    Select the number from among the given options that can

    replace the question mark β€˜?’ in the following series. 30, 34, 42, 58, β€˜?’, 154
    A 88 Correct Answer Incorrect Answer
    B 90 Correct Answer Incorrect Answer
    C 84 Correct Answer Incorrect Answer
    D 85 Correct Answer Incorrect Answer

    Solution

    30 + 4 = 34 34 + 8 = 42 42 + 16 = 58 58 + 32 = 90 90 + 64 = 154

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