Question

    4 10 ? 62.5 156.25 390.625

    A 35 Correct Answer Incorrect Answer
    B 40 Correct Answer Incorrect Answer
    C 32.5 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer
    E 25 Correct Answer Incorrect Answer

    Solution

    Numbers added with their Double and then subtract their Halves 4 + 4× 2 - 4/2 = 10 10 + 10 × 2 - 10/2 = 25 25 + 25 × 2 - 25/2 = 62.5 62.5 + 62.5 × 2 – 62.5/2 = 156.25 156.25 + 156.25 × 2 – 156.25/2 = 390.625

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