What comes next: 3, 12, 7, 16, 11, 20, 15, ?
2025
What comes next: 3, 12, 7, 16, 11, 20, 15, ?
- A.
16
- B.
24
- C.
14
- D.
18
Attempted by 2 students.
Show answer & explanation
Correct answer: B
This is an alternating series: (3 + 4 = 7), (7 + 4 = 11), (11 + 4 = 15).
The second set is: (12 + 4 = 16), (16 + 4 = 20), (20 + 4 = 24).
The next number in the second sequence is 24.
Final Answer: Option B