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      Question

      If present age of β€˜A’ is twice the age of β€˜B’,

      6 years ago from now and sum of their ages 7 years hence from now will be 50 years, then find the present age of β€˜B’.
      A 18 years Correct Answer Incorrect Answer
      B 14 years Correct Answer Incorrect Answer
      C 15 years Correct Answer Incorrect Answer
      D 16 years Correct Answer Incorrect Answer

      Solution

      Let present age of β€˜B’ = β€˜x’ years So, present age of β€˜A’ = 2 Γ— (x – 6) years ATQ, (x + 7) + {2(x – 6) + 7} = 50 Or, 3x + 2 = 50 Or, 3x = 48 Or, x = 16 So, present age of β€˜B’ = 16 years

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