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      Question

      β€˜A’ and β€˜B’ started a business by investing Rs.

      β€˜z’ and Rs. β€˜z + 150’, respectively. If 6 months later the ratio of profit shares of β€˜A’ and β€˜B’ was 2:3, respectively, then find the amount (initially) invested by β€˜B’.
      A Rs.250 Correct Answer Incorrect Answer
      B Rs.180 Correct Answer Incorrect Answer
      C Rs.220 Correct Answer Incorrect Answer
      D Rs.450 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ; [(6 Γ— z)/{(z + 150) Γ— 6}] = (2/3) Or, (6z Γ— 3) = 12 Γ— (z + 150) Or, 18z = 12z + 1800 Or, 6z = 1800 So, z = 300 So, initial investment made by β€˜B’ = 300 + 150 = Rs. 450

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