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  • Question
  • From a tank of petrol, which contains 200 litres of petrol, the seller replaces each time with kerosene when he sells 40 litres of petrol(or its mixture). Everytime he sells out only 40 litres of petrol(pure or impure). After replacing the petrol with kerosen 4th time, the total amount of kerosene in the mixture is


  • Options
  • A. 81.92L
  • B. 96L
  • C. 118.08L
  • D. None of these

  • Correct Answer
  • 118.08L 

    Explanation

    The amount of petrol left after 4 operations  

    200   ×   1 - 40 200 4   

    200   ×   4 5 4   

    200   ×   256 625   

    = 81.92 litres

     

    Hence the amount of kerosene = 200 - 81.92 = 118. 08 litres

  • Tags: GATE, CAT, Bank Exams, AIEEE, Bank PO, Bank Clerk

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