Multiple choice

Directions: In this problem, a question is given followed by three statements numbered (I), (II) and (III). Read the statements carefully and determine which of them is/are sufficient/necessary to answer the question. There are 8 persons of ages y, x, 35, p, 25, q, 27, 29 (in years). What is their average age? I. x is 6 years more than p, which is 5 years less than q. II. y is 4 years less than q. III. x is 15 years more than y.

  1. Only statements I and II

  2. Only statements I and III

  3. None of the statements

  4. All three statements

  5. Any two statements
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

We have 8 variables: y, x, 35, p, 25, q, 27, 29. We need the sum of these to find the average. The statements provide relations between x, p, q, and y, but they do not provide enough absolute values to determine the sum of all 8 ages.

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