Multiple choice general knowledge math & puzzles

Find the missing number: 2 5 14 ? 122

  1. 39

  2. 40

  3. 42

  4. 41
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The pattern follows the rule $x_{n} = 3x_{n-1} - 1$. Starting with 2: $(2 \times 3) - 1 = 5$; $(5 \times 3) - 1 = 14$; $(14 \times 3) - 1 = 41$; $(41 \times 3) - 1 = 122$. Therefore, 41 is the missing number that satisfies the sequence logic.

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