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The terms 3, 5, 9, 17, 33 follow a fixed rule. Which term comes next?

Competition practiceNumber Series
  • A65
  • B66
  • C64
  • D49

Step-by-Step Solution

Each term = previous × 2 − 1: . (Differences 2, 4, 8, 16 double too, giving +32.)
Answer: A) 65

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