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    Question

    Simplify the following expressions and choose the

    correct option. {[(13)² − (7)²] ÷ 12} × 4 = ?
    A 45 Correct Answer Incorrect Answer
    B 62 Correct Answer Incorrect Answer
    C 40 Correct Answer Incorrect Answer
    D 37 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    13² = 169 7² = 49 169 − 49 = 120 120 ÷ 12 = 10 10 × 4 = 40

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