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    Question

    Calculate the value of x2,   if

    [(8 + 62) ÷ 4 of x + 2.5 × 5 = 42 + 20% of 10].
    A 9 Correct Answer Incorrect Answer
    B 16 Correct Answer Incorrect Answer
    C 0.25 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer

    Solution

    (8 + 62) ÷ 4 of x + 2.5 × 5 = 42 + 20% of 10 Or, 44 ÷ 4x + 12.5 = 16 + 2 Or, 44 ÷ 4x = 5.5 Or, 4x = (44/5.5) Or, x = (44/22) = 2 So, x2 = 4

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