Multiple choice

Find the missing term in the following series. 11 ? 50 85 133 196

  1. 21

  2. 24

  3. 28

  4. 26

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

The series follows the pattern: differences are 15, 24, 35, 48, 63, which themselves follow n² - 1 pattern for n=4,5,6,7,8 (i.e., 4²-1=15, 5²-1=24, 6²-1=35, 7²-1=48, 8²-1=63). Thus the missing term is 11+15=26. Option D (26) is correct.

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