RRB JE · General Intelligence & Reasoning
Alphabetical and number series
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- In the exam pattern: First Stage Computer Based Test (CBT-I), General Intelligence & Reasoning: 25 questions, 25 marks (RRB notice, 13 Aug 2026).
- Next exam day: CBT-II exam (expected): 15 Feb 2027 (Expected — an estimate, not announced).
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Practice this topic
Take a full mock →Q1 · Alphabetical and number series · MEDIUM
Find the next term in the number series: 5, 11, 23, 47, 95, ?
Q2 · Alphabetical and number series · MEDIUM
Identify the wrong term in the series: 2, 5, 14, 40, 122, 365
Q3 · Alphabetical and number series · HARD
Find the next term in the letter series: B, D, G, K, P, ?
Q4 · Alphabetical and number series · MEDIUM
Find the next term in the alphanumeric series: A4, B8, C12, D16, ?
Q5 · Alphabetical and number series · MEDIUM
Find the next term in the series: 6, 11, 21, 36, 56, ?