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  • Number Series Completion
  • Directions: Choose the correct number from the given opti...
Multiple choice

Directions: Choose the correct number from the given options and fill in the next number in the series given below.

7, 15, 31, 63, 127, __

  1. 254

  2. 255

  3. 257

  4. 261

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

Each number is doubled and add 1 to the result. 

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