Multiple choice general knowledge math & puzzles

1 3 12 ? 21909

  1. 148

  2. 25

  3. 1111

  4. 767
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The sequence follows the pattern: multiply previous number by 3, add 3 to the result, and increment the multiplier. 1×3=3, 3×4=12, 12×12=144, 144×144+... (The pattern yields 148 as the next term fitting the sequence structure).

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