Question

    What should come in place of the question mark (?) in the following number series?

    3 ? 7 16 71 346

    A 9 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer
    E 6 Correct Answer Incorrect Answer

    Solution

    3 × 1 – 1 = 2 2 × 2 + 3 = 7 7 × 3 – 5 = 16 16 × 4 + 7 =71 71 × 5 – 9 = 346

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