Multiple choice

Find the wrong number of the following number series. 4, (17), (62), (320), (1894), (13267), (106126)

  1. 17

  2. 1894

  3. 320

  4. 62

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

Pattern: ×5−3, ×3.5+2, ×2.5+0.5, ×2+0, ×1.5−2. Checking: 4×5−3=17 ✓, 17×3.5+2=61.5 (approx 62) ✓, 62×2.5+0.5=155.5 ✗ (given 320). Option C (320) is the wrong number - it breaks the pattern.

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