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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 ย  = 529 ย  Side of square= โˆš529 ย  = 23m Perimeter = 23 x 4 =ย  92 Hence, Cost of building a fence around a square field will be = 92 x 40 = 3680

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