Multiple choice

What is the average age of the family? Statements: 1. There are 5 members in the family. 2. Sum of their ages is equal to 100.

  1. Statement 1 alone is sufficient

  2. Neither statement 1 nor 2 is sufficient

  3. Statement 1 and 2 together are sufficient

  4. Statement 2 alone is sufficient

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

Statement 1 gives the count (5 members) and Statement 2 gives the sum (100). To find the average, we need both values: average = sum ÷ count. Neither statement alone is sufficient, but together they give us all the information needed.