Multiple choice

A series is given, with one term missing choose the correct alternative from the given ones that will complete the series. 5, 6, 9, 14, 21, ?

  1. 28

  2. 30

  3. 31

  4. 29
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is 'add consecutive odd numbers starting from 1'. 5+1=6, 6+3=9, 9+5=14, 14+7=21, 21+9=30. The increments are 1, 3, 5, 7, 9 (consecutive odd numbers). Option B (30) fits this pattern. 28, 29, 31 don't continue the sequence correctly.

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