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

    Question

    Length of a rectangle is equal to the side of a square.

    If area of the square and rectangle is 400 m2 and 240 m2, respectively then find the perimeter of the rectangle.
    A 70 metres Correct Answer Incorrect Answer
    B 72 metres Correct Answer Incorrect Answer
    C 64 metres Correct Answer Incorrect Answer
    D 78 metres Correct Answer Incorrect Answer
    E 80 metres Correct Answer Incorrect Answer

    Solution

    Side of square = √400 = 20 metres Area of rectangle = 240 m2 Breadth × 20 = 240 Or, Breadth of the rectangle = 12 metres Perimeter of the rectangle = 2 × (12 + 20) = 64 metres

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