📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    âš¡ Rakhi Special - Flat 52% off on All Courses from 6 to 10 Aug! âš¡ Enroll Now

    Question

    In measuring the sides of a rectangle, there is an

    excess of 15% on one side and 10% deficit on the other. Then the error percent in the area is
    A 2% Correct Answer Incorrect Answer
    B 3.5% Correct Answer Incorrect Answer
    C 5.6% Correct Answer Incorrect Answer
    D 0.8% Correct Answer Incorrect Answer

    Solution

    Using the formula, Required percentage = [a + b + (ab/100)]% Negative sign for decrease = [15 - 10 - {(15 x 10)/100}] % = 3.5%

    Practice Next
    ask-question