Multiple choice

Directions: Choose the correct alternative that will come in place of "?" in the following series. 7, 15, 29, 59, 117, ?

  1. 233

  2. 234

  3. 235

  4. 237

  5. 239
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pattern is: 7*2+1=15, 15*2-1=29, 29*2+1=59, 59*2-1=117, 117*2+1=235.

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