Multiple choice

In the following number series only one number is missing. Find out the missing number. 12, 14, 32, 102, 416, 2090, ?

  1. 15522

  2. 12552

  3. 13525

  4. 17552

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is: f(n) = n × f(n-1) + adjustment. 12 to 14: ×1 + 2, 14 to 32: ×2 + 4, 32 to 102: ×3 + 6, 102 to 416: ×4 + 8, 416 to 2090: ×5 + 10. Next: ×6 + 12, so 2090 × 6 + 12 = 12540 + 12 = 12552. This matches option B. The pattern is clear: multiply by n and add 2n.

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