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Find the wrong term in the series: 2, 6, 15, 30, 56, 92

Competition practiceNumber Series
  • A56
  • B30
  • C15
  • D92

Step-by-Step Solution

The added differences are 4, 9, 16, 25, 36 (perfect squares), so 15 + 16 = 31, not 30.
Answer: B) 30

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