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

    Question

    Length and breadth of a rectangle are in the ratio 5:4.

    If the perimeter of the rectangle is 52 cm more than the length of the rectangle, then find the area (in cm2) of the rectangle.
    A 300 Correct Answer Incorrect Answer
    B 310 Correct Answer Incorrect Answer
    C 320 Correct Answer Incorrect Answer
    D 220 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the length and breadth of the rectangle be '5x' cm and '4x' cm, respectively. ATQ; 2 × (4x + 5x) = 52 + 5x Or, 18x = 52 + 5x Or, 13x = 52 So, x = 4 So, required area = 4x × 5x = 20 × 42 = 320 cm2

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