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Find the WRONG number in the series: 4, 6, 12, 24, 46, 74, 116

Competition practiceNumber Series
  • A46
  • B24
  • C74
  • D12

Step-by-Step Solution

Differences should be 2, 6, 12, 20, 30, 42 (i.e. ). So 24 + 20 = 44, not 46; then 44 + 30 = 74 and 74 + 42 = 116 fit. Wrong number is 46.
Answer: A) 46

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