Multiple choice

Which of the following numbers is not the sum of three consecutive even integers?

  1. 18

  2. 54

  3. 123

  4. 294

  5. 324

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

Let three consecutive positive even integers are (a – 2), a, (a + 2), their sum is 3a. As a is the middle number and is an even integer. So the sum must be divisible by 6. Out of given choices, choice (3) is not a multiple of 6.