Multiple choice

Find the missing number in the following number series: $6, 26, 134, 666, 3334, 16666, ?$

  1. $83844$
  2. $88344$
  3. $83334$
  4. $83444$

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

The pattern multiplies by 5 and alternates adding/subtracting 4: 6 × 5 - 4 = 26, 26 × 5 + 4 = 134, 134 × 5 - 4 = 666, 666 × 5 + 4 = 3334, 3334 × 5 - 4 = 16666. Continuing: 16666 × 5 + 4 = 83334. This exact value is not listed in options A-D.

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