Multiple choice

Passage

Directions: The following question is accompanied by three statements (I), (II), and (III). You have to determine which statement(s) is/are sufficient/necessary to answer the question.

What is the difference between the ages of Aman and Gagan? I. Ratio of the ages of Aman and Komal is 3 : 5 and sum of the ages of Komal and Gagan is 28 years. II. Age of Komal is 4 years less than double the age of Aman. III. Age of Komal is 4 years more than double the age of Gagan.

  1. Only I and II

  2. Only I and III

  3. Only II and III

  4. Any two statements

  5. All three statements
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statement I: A/K = 3/5, K+G = 28. Statement II: K = 2A - 4. Statement III: K = 2G + 4. With any two statements, we can solve for A, K, and G. For example, I and II allow solving for A and K, then G. I and III allow solving for K and G, then A.

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