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  9. Q37

TNPSC Group-I 2025 · Question 37 of 66

In the series 6 4 1 2 2 8 7 4 2 1 5 3 8 how many pairs of successive numbers have a difference of 2 each?

Aptitude - Number Series

  1. AOne
  2. BTwo
  3. CThreeCorrect
  4. DFour

Answer: C. Three

Explanation

Pairs with difference 2: (6,4), (4,2), (5,3) - three pairs.

Source: TNPSC Group-I Prelims 2025 (held 15 June 2025) - official question paper via tnpscinfo.com (Impacteers TNPSC Coaching compilation)

← Q36View full paper (66 questions)Q38 →

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