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Spot the next number: 3, 4, 7, 12, 19, ?

Competition practiceAlphanumeric / Series
  • A28
  • B26
  • C30
  • D27

Step-by-Step Solution

The differences are 1, 3, 5, 7 (odd numbers), so the next difference is 9: 19 + 9 = 28.
Answer: A) 28

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