Multiple choice general knowledge

2,9,28,65,126,_

  1. 721

  2. 271

  3. 217

  4. 127
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The series is n³+1 for n=1,2,3,4,5: 1³+1=2, 2³+1=9, 3³+1=28, 4³+1=65, 5³+1=126. The next term is 6³+1=216+1=217. Option A (721) and B (271) don't fit this pattern.

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