Multiple choice

Passage

Each of these questions consists of a question followed by informations in three statements. You have to study the question and the statements and decide that information in which of the statement(s) is/are necessary to answer the question.

What is the present age of A? Statement I. At the time of marrige A's age was 25 years. Statement II. The average age of A and A’s wife at the time of marrige was 24 years. Statement III. The difference between the present ages of A and his son is 24 years.

  1. The data in statements I alone is sufficient to answer the question, while the data in statement II and III is not sufficient to answer the question.

  2. The data in statements II alone is sufficient to answer the question, while the data in statement I and III is not sufficient to answer the question.

  3. The data in any two of the three statements is sufficient to answer the question.

  4. The data in all the statements I, II and III is not sufficient to answer the question.

  5. The data in all the statements I, II and III together is necessary to answer the question.
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D Correct answer
Explanation

Statement I gives A's age at marriage (25 years), but not how many years have passed since then. Statement II gives the average age at marriage (24 years), which only confirms the wife's age was 23. Statement III relates A's present age to his son's age, but we don't know the son's age or when A married. Without information about years elapsed since marriage or the son's age, A's present age cannot be determined.

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