Multiple choice

Directions: Complete the series.

5, 13, 37, 109, ?

  1. 325

  2. 117

  3. 118

  4. 221

  5. 229
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A Correct answer
Explanation

From the series, it is clear that every term is operated with the logic (3n - 2) to get the next term.

5 * 3 - 2 = 13, 13 * 3 - 2 = 37, 37 * 3 - 2 = 109

Similarly, 109 * 3 - 2 = 325.

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