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      Question

      β€˜R’ and β€˜S’ started a business by investing Rs.

      5,000 and Rs. 8,000 respectively. β€˜x’ months later, they admitted β€˜T’ as a partner who invested Rs. 6,000. If at the end of the year, the profit share of β€˜R’ was Rs. 7,500 out of the total profit of Rs. 20,000, then find the value of β€˜x’.
      A 6 Correct Answer Incorrect Answer
      B 8 Correct Answer Incorrect Answer
      C 4 Correct Answer Incorrect Answer
      D 5 Correct Answer Incorrect Answer
      E 9 Correct Answer Incorrect Answer

      Solution

      Let β€˜T’ invested for β€˜m’ months. So,
      x = 12 βˆ’ m Ratio of profit shares of β€˜R’, β€˜S’ and β€˜T’
      = (5000 Γ— 12) : (8000 Γ— 12) : (6000 Γ— m) = 60 : 96 : 6m ATQ, 7500 / 20000 = 60 / (60 + 96 + 6m) 3 / 8 = 60 / (156 + 6m) 156 + 6m = 160 6m = 24 m = 4 So, x = 12 βˆ’ 4 = 8

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