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      Question

      Kamal invested Rs. T and Rohan invested Rs. (T + 30) for

      27 months and 18 months respectively. Their profit ratio is 9 : 8. Find Rohan’s investment.
      A Rs.130 Correct Answer Incorrect Answer
      B Rs.180 Correct Answer Incorrect Answer
      C Rs.120 Correct Answer Incorrect Answer
      D Rs.170 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, (T × 27) / ((T + 30) × 18) = 9 / 8 8T × 27 = 9(T + 30) × 18 216T = 162T + 4860 54T = 4860 T = 90 Rohan’s investment = T + 30 = 90 + 30 = ₹120

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