Multiple choice general knowledge math & puzzles

3 6 9 12 ..

  1. 16

  2. 30

  3. 15

  4. 21

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

The sequence is an arithmetic progression where each number increases by 3 (3, 6, 9, 12...). The next number in the sequence is 12 + 3 = 15. Other options do not follow the +3 pattern.