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    Question

    Find the cost of building a fence around a square field

    with area 529m2 at the rate of Rs.40 per meter ?
    A 3200 Correct Answer Incorrect Answer
    B 3500 Correct Answer Incorrect Answer
    C 3680 Correct Answer Incorrect Answer
    D 3400 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Given - Area of square field   = 529   Side of square= √529   = 23m Perimeter = 23 x 4 =  92 Hence, Cost of building a fence around a square field will be = 92 x 40 = 3680

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