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  • Question
  • The cost of fencing a square field @ Rs. 20 per metre is Rs.10.080.How much will it cost to lay a three meter wide pavement along the fencing inside the field @ Rs. 50 per sq m


  • Options
  • A. 53800
  • B. 43800
  • C. 83800
  • D. 73800

  • Correct Answer
  • 73800 

    Explanation

    perimeter = total cost / cost per m = 10080 /20 = 504m
    side of the square = 504/4 = 126m
    breadth of the pavement = 3m
    side of inner square = 126 - 6 = 120m
    area of the pavement = (126 x126) - (120 x 120) = 246 x 6 sq m
    cost of pavement = 246*6*50 = Rs. 73800

  • Tags: Bank Exams, Bank PO

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