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    Question

    Which number will replace the question mark (?) in the

    following series? 5, 8, 20, 34, 76, 142, ?
    A 272 Correct Answer Incorrect Answer
    B 296 Correct Answer Incorrect Answer
    C 284 Correct Answer Incorrect Answer
    D 302 Correct Answer Incorrect Answer

    Solution

    5 Γ— 2 βˆ’ 2 = 8 8 Γ— 2 + 4 = 20 20 Γ— 2 βˆ’ 6 = 34 34 Γ— 2 + 8 = 76 76 Γ— 2 βˆ’ 10 = 142 142 Γ— 2 + 12 = 296

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