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Question

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.

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.

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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