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    Question

    A rectangular playground is fenced at Rs. 11/metre and

    the total cost is Rs. 1210. If the length to breadth ratio is 6:5, find the area of the playground.
    A 600 sq m Correct Answer Incorrect Answer
    B 700 sq m Correct Answer Incorrect Answer
    C 750 sq m Correct Answer Incorrect Answer
    D 800 sq m Correct Answer Incorrect Answer

    Solution

    Let the length and breadth be 6x metres and 5x metres respectively.
    According to the question,
    2 ├Ч (6x + 5x) = 1210 / 11
    Or, 2 ├Ч 11x = 110
    Or, 22x = 110
    Or, x = 5 metres
    Therefore, area = 6x ├Ч 5x = 30x┬▓ = 30 ├Ч 25 = 750 m┬▓

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