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    Question

    Simplify the following questions:

    20 + 160/? × 20 = 420

    A 3 Correct Answer Incorrect Answer
    B 8 Correct Answer Incorrect Answer
    C 5 Correct Answer Incorrect Answer
    D 7 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    20 + 160/? × 20 = 420 => 160/? × 20 = 400 => 160/? = 20 => ? = 160/20 => ? = 8

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