Multiple choice general knowledge math & puzzles

Find the next... 10 ,23 ,40 ,61 ,_

  1. 76

  2. 86

  3. 96

  4. none
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is (n+1)^2 + 2 for n starting at 2: 3^2 + 2 = 11? No. Let's check: for n=3: (3+1)^2 - 6 = 10; for n=4: 5^2 - 2 = 23. The differences increase: 23-10=13, 40-23=17, 61-40=21, so next difference is 25, giving 61+25=86. This matches option B.

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