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RRB Group D Logical Reasoning Questions
Practise logical reasoning (reasoning) for the RRB Level 1 (Group D) Examination: 10 multiple-choice questions, each with the correct answer and a worked explanation. Click an option to check it, or “New questions” for another set.
Logical Reasoning practice
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Q1.If CAT is coded as DBU, how is MILK coded?
Show answer & explanation
Answer: B — NJML
Each letter moves 1 place forward in the alphabet (CAT → DBU), so MILK → NJML.
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Q2.Ravi walks 6 m north, turns right and walks 7 m, then turns right again and walks 4 m. How far is he from the start?
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Answer: A — 7.28 m
Net: 2 m north and 7 m east. Distance = √(2² + 7²) = 7.28 m.
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Q3.Which number is the odd one out: 41, 53, 57, 61?
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Answer: A — 57
41, 53, 61 are prime; 57 is composite (57 = 3 × 19).
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Q4.What day of the week was 24 March 2005?
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Answer: D — Thursday
Using odd days (or Zeller’s rule), 24 March 2005 falls on a Thursday.
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Q5.Find the next letter: K, M, O, Q, ?
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Answer: B — S
The letters advance by 2 each time (skip 1).
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Q6.What day of the week was 26 March 2008?
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Answer: A — Wednesday
Using odd days (or Zeller’s rule), 26 March 2008 falls on a Wednesday.
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Q7.If TREE is coded as WUHH, how is PLAN coded?
Show answer & explanation
Answer: C — SODQ
Each letter moves 3 places forward in the alphabet (TREE → WUHH), so PLAN → SODQ.
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Q8.What day of the week was 27 January 2015?
Show answer & explanation
Answer: C — Tuesday
Using odd days (or Zeller’s rule), 27 January 2015 falls on a Tuesday.
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Q9.Ravi walks 9 m north, turns right and walks 3 m, then turns right again and walks 4 m. How far is he from the start?
Show answer & explanation
Answer: D — 5.83 m
Net: 5 m north and 3 m east. Distance = √(5² + 3²) = 5.83 m.
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Q10.Which number is the odd one out: 19, 37, 61, 65?
Show answer & explanation
Answer: D — 65
37, 19, 61 are prime; 65 is composite (65 = 5 × 13).
How to approach logical reasoning questions
For coding questions write the letter positions (A = 1 … Z = 26). For directions, draw axes and track each turn. Clock angle = |30H − 5.5M|. Calendar: count odd days.
About RRB Group D
RRB Level 1 (Group D) Examination — conducted by Railway Recruitment Boards (RRB). Recruits track maintainers, helpers and assistants; general science carries significant weight.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
RRB Group D practice topics
| Topic | Section | Question source |
|---|---|---|
| Number System & Simplification | Quantitative aptitude | Calculated (new numbers every set) |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Physics | Science | Calculated + question bank |
| Chemistry | Science | Calculated + question bank |
| Biology | Science | Question bank |
| Indian Polity, History & Geography | General awareness | Question bank |