Which of these options will come next in the following question?
2, 5, 7, 12, 19, ?
Show answer & explanation
Correct answer: C
Explanation
2, 5, 7, 12, 19, ?
5 + 2 = 7
7 + 5 = 12
12 + 7 = 19
19 + 12 = 31
Each time, add the sum of the previous two differences.
So, ? = 31