Multiple choice

Directions: Complete the series.

3, 3, 9, 45, 315, ?

  1. 2835

  2. 315

  3. 945

  4. 321

  5. 351
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A Correct answer
Explanation

From the series, it is clear that every single term in the series is multiplied by an odd number to get the next term.
3*1 = 3    3*3 = 9   9*5 = 45   45*7 = 315   Similarly, 315*9 = 2835

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