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Identify the number that does not fit the pattern: 1, 2, 6, 15, 30, 56, 92

Competition practiceNumber Series
  • A30
  • B15
  • C56
  • D6

Step-by-Step Solution

Differences should be 1, 4, 9, 16, 25, 36. 15 + 16 = 31, not 30; then 31 + 25 = 56 and 56 + 36 = 92 fit.
Answer: A) 30

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