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      Question

      How old is Jack? I. After 20 years, Jack will be

      twice as old as he is today. II. Five years ago, Jack was ¾ times of his present age. Each of the following questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give the answer.
      A If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient in answer the question. Correct Answer Incorrect Answer
      B If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question. Correct Answer Incorrect Answer
      C If the data in either in statement I alone or in statement II alone are sufficient to answer the question. Correct Answer Incorrect Answer
      D If the data in both the statements I and II together are not sufficient to answer the question. Correct Answer Incorrect Answer
      E If the data in both the statements I and II are together necessary to answer the question. Correct Answer Incorrect Answer

      Solution

      Let Jack’s current age be x years, From I, x + 20 = 2x X = 20 From II, X – 5 = ¾ x 4x – 20 = 3x X = 20 Thus, either of statements alone is sufficient to answer the given question.

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