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Multiple choice

Find out the missing number in the following number series? 12 17 30 59 113 (?)

  1. 198

  2. 195

  3. 208

  4. 205

  5. None of these

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Pattern: differences are 5, 13, 29, 61. These follow 2×(difference)+3: 5×2+3=13, 13×2+3=29, 29×2+3=61. Next: 61×2+3=125. So 113+125=238. Not in options, so E is correct.

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