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    Question

    A rectangular hall has a length

    of 32 meters and a perimeter of 96 meters. If the entire hall is to be carpeted at a cost of Rs. 10 per m², what will be the total cost of carpeting the hall?
    A Rs.1,200 Correct Answer Incorrect Answer
    B Rs.6,200 Correct Answer Incorrect Answer
    C Rs.5,120 Correct Answer Incorrect Answer
    D Rs.2,200 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the breadth of the hall = 'b' meters Perimeter of the hall = 2 × (32 + b) = 96 So, b = (96/2)−32 = 16 Area of the hall = 32 × 16 = 512m2 Cost of carpeting the hall = 512 × 10 = Rs. 5,120

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