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    Question

    In measuring the sides of a rectangle, there is an

    excess of 14% on one side and 10% deficit on the other. Then the error percent in the area is
    A 3.79% Correct Answer Incorrect Answer
    B 2.6% Correct Answer Incorrect Answer
    C 2.3% Correct Answer Incorrect Answer
    D 1.2% Correct Answer Incorrect Answer

    Solution

    Using the formula, Required percentage = [a + b + (ab/100)]% Negative sign for decrease = [14 - 10 - {(14 x 10)/100}] % = 2.6%

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