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    ‘A’ gave 40% of an amount to ‘B’. From the money B got, he paid 20% to a tax. Out of the remaining amount, the amounts paid by B towards tuition fees and towards library membership are in the respective ratio of 3:5. If B paid INR 1720/- as library membership fees, how much money did A have at the beginning

  • INR 9000/-
  • INR 12400/-
  • INR 12000/-
  • INR 8000/-
  • INR 8600/-
  • Explanation:

    Let A had the money at the beginning = INR x

    The amount of money B got = x×40/100=2/5x

    The membership fee of library = INR 1720/-

    Tution fee = 1720×3/5

    =INR 1032/-

    According to question,

    2/5x×80/100 = [1032+1720]

    32x=2752×100

    x=2752×100/32

    x=INR 8600/-


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