Multiple choice

Passage

In each of the following questions, read the given statement and compare the Quantity I and Quantity II on its basis.

Average age of A, B and C is 37 years and average age of A and B is 23 years Quantity I : What is the age of C Quantity II : 78 years

  1. Quantity I > Quantity II

  2. Quantity I ≥ Quantity II

  3. Quantity I < Quantity II

  4. Quantity II ≥ Quantity I

  5. Quantity I = Quantity II or relation can't be established

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Average age of A, B, C is 37 years, so A+B+C = 37 × 3 = 111 years. Average age of A and B is 23 years, so A+B = 23 × 2 = 46 years. C's age = (A+B+C) - (A+B) = 111 - 46 = 65 years. Comparing: 65 years < 78 years, so Quantity I < Quantity II.