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    Question

    Select the missing number from the given alternatives.

    9, 20, 42, 86, 174, ?, 702
    A 344 Correct Answer Incorrect Answer
    B 310 Correct Answer Incorrect Answer
    C 378 Correct Answer Incorrect Answer
    D 350 Correct Answer Incorrect Answer

    Solution

    9 × 2 + 2 = 20 20 × 2 + 2 = 42 42 × 2 + 2 = 86 86 × 2 + 2 = 174 174 × 2 + 2 = 350 350 × 2 + 2 = 702

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