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    Question

    The breadth of a rectangle is increased by 10 cm, it

    will become twice the length of the rectangle. If the new perimeter is 360 cm, then find the original area (in sq.cm) of the rectangle.
    A 3000 Correct Answer Incorrect Answer
    B 2750 Correct Answer Incorrect Answer
    C 2000 Correct Answer Incorrect Answer
    D 1960 Correct Answer Incorrect Answer
    E 3900 Correct Answer Incorrect Answer

    Solution

    Let the length of the rectangle be l cm. Breadth = 2l cm According to the question, => 2(l + 2l) = 360 => 3l = 180 => l = 60 So, breadth = 60 - 10 = 50 cm Original area = 60 × 50 = 3000 cm2

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