Multiple choice general knowledge math & puzzles

-4,0,20,120,620,?

  1. 1120

  2. 2120

  3. 3120

  4. 3220
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pattern is (Previous Number + 4) * 5: (-4+4)*5=0; (0+4)*5=20; (20+4)*5=120; (120+4)*5=620. Following this, (620+4)*5 = 624 * 5 = 3120. The other options do not follow this recursive arithmetic rule.

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