Three consecutive even integers have a sum of 66. What is the largest integer?

Question: Three consecutive even integers have a sum of 66. What is the largest integer?

1. 25
2. 23
3. 24
4. 26

Correct Answer: C — 24

Explanation: Let the integers be n, n + 2 and n + 4; their sum gives n.
If the first is n, then 3n + 6 = 66; the largest is 24.