Correct Answer: 2015
Explanation:
3216 ⇒ 3 + 2 + 6 - 1 = 10; 2338 ⇒ 2 + 3 + 8 - 3 = 10; 3205 ⇒ 3 + 2 + 5 - 0 = 10; 2015 ⇒ 2 + 0 + 5 - 1 = 6 Therefore, 2015is different from the other three.
