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Logical Sequences and Series Questions for UPSC CSE

Free, AI-curated practice for the Logical Sequences and Series section of UPSC CSE. We have 15+ verified questions in this bank. Below: 5 sample questions. Sign up free to unlock unlimited practice + AI explanations + per-topic analytics.

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Sample questions

Q1 · easy · AI-verified
Find the next number in the series: 2, 4, 8, 16, 32, ?
  1. 48
  2. 64
  3. 56
  4. 72
Q2 · easy · AI-verified
Find the missing number in the series: 1, 4, 9, 16, 25, ?
  1. 49
  2. 35
  3. 36
  4. 30
Q3 · easy · AI-verified
Find the next number in the series: 7, 14, 21, 28, 35, ?
  1. 40
  2. 42
  3. 38
  4. 45
Q4 · easy · AI-verified
Find the next term in the series: AZ, BY, CX, DW, ?
  1. EV
  2. EU
  3. FW
  4. FV
Q5 · easy · AI-verified
What is the next number in the series: 2, 5, 10, 17, 26, ?
  1. 37
  2. 35
  3. 36
  4. 38
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