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      Question

      In a batch, the ratio of experienced employees to freshers

      is 2:1. The average salary of freshers is (z βˆ’ 3), and the average salary of the whole batch is (z + 3). Find the average salary of experienced employees.
      A z + 6 Correct Answer Incorrect Answer
      B z + 5 Correct Answer Incorrect Answer
      C z + 4 Correct Answer Incorrect Answer
      D z + 3 Correct Answer Incorrect Answer
      E z + 2 Correct Answer Incorrect Answer

      Solution

      Let the number of experienced and freshers be '2a' and 'a', respectively.
      Total salary of the batch = 3a Γ— (z + 3) = 3az + 9a
      Total salary of freshers = a Γ— (z βˆ’ 3) = az βˆ’ 3a
      So, total salary of experienced = (3az + 9a) βˆ’ (az βˆ’ 3a) = 2az + 12a
      Therefore, average salary of experienced = (2az + 12a) / 2a = (z + 6)

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