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      Question

      The ratio of age of β€˜B’ after 6 years from now and

      age of β€˜C’ 4 years ago from now is 7:4, respectively. The present age of β€˜C’ is 40% of the present age of β€˜A’. If present age of β€˜A’ is 50 years then find the present age of β€˜B’.
      A 22 years Correct Answer Incorrect Answer
      B 20 years Correct Answer Incorrect Answer
      C 21 years Correct Answer Incorrect Answer
      D 24 years Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Present age of β€˜C’ = 0.4 Γ— 50 = 20 years 4 years ago from now, age of β€˜C’ = 20 – 4 = 16 years 6 years hence from now, age of β€˜B’ = 16 Γ— (7/4) = 28 years Present age of β€˜B’ = 28 – 6 = 22 years

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