Look at this series: 3, 4, 7, 8, 11, 12, _____. What number should come next?

Look at this series: 3, 4, 7, 8, 11, 12, _____. What number should come next?

  • (A) 7
  • (B) 10
  • (C) 14
  • (D) 15
  • Solution: Let’s break down the series step by step:
  • Series: 3, 4, 7, 8, 11, 12, …
  • The pattern alternates between adding 1 and adding 3:
  • 3 → 4 (+1)
  • 4 → 7 (+3)
  • 7 → 8 (+1)
  • 8 → 11 (+3)
  • 11 → 12 (+1)
  • Following the pattern, the next step is add 3 to 12 → 15
  • Answer: (D) 15
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Related MCQs:

 ‘NATO’ is an abbreviation of:

  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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