New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The breadth of a rectangle is increased by 5 cm, it will

    become twice the length of the rectangle. If the new perimeter is 330 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) = 330 => 3l = 165 => l = 55 So, breadth = 55 - 5 = 50 cm Original area = 55 × 50 = 2750 cm2

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