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      Question

      Six years hence, age of 'X' will be 24 years. Ratio of

      present age of 'Y' to 'X' is 7 : 3. If 'Z' is 4 years younger than 'Y', then find the age of 'Z' five years hence from now. 
      A 43 years Correct Answer Incorrect Answer
      B 49 years Correct Answer Incorrect Answer
      C 36 years Correct Answer Incorrect Answer
      D 45 years Correct Answer Incorrect Answer
      E 41 years Correct Answer Incorrect Answer

      Solution

      Present age of 'X' = 24 - 6 = 18 years  Present age of 'Y' = (7/3) × 18 = 42 years  Present age of 'Z' = 42 - 4 = 38 years  Required age of 'Z' = 38 + 5 = 43 years 

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