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SSC & Railways

Reasoning for RRB NTPC

Analogies, classification, series, coding, blood relations, directions, seating, puzzles, syllogisms, statements and conclusions, data sufficiency, decision making and non-verbal questions. It is 30 questions in CBT 1 and 35 in CBT 2.

13 guides·Conducted by Railway Recruitment BoardsOfficial website

Study in this order

  1. 1A reasoning plan for RRB NTPC: topics, a five-week order and daily routineReasoning is 30 questions in CBT 1 and 35 in CBT 2, and for most candidates it is the section that improves fastest with practice. Which topics to learn first, a five-week order, a daily routine, worked examples and a mixed diagnostic set. 7 min read
  2. 2Analogies for RRB NTPC: word, number and letter pairs with a method"Doctor is to hospital as teacher is to ?" Analogy questions give you one pair and ask for another with the same relationship. Word, number and letter analogies, a three-step method, how to rule out rival rules, six worked questions and a practice set. 7 min read
  3. 3Odd one out for RRB NTPC: word, number and letter classificationFour items, and three share a property. Classification questions in RRB NTPC use words, numbers, number pairs and letter groups. The properties to check, in order, how to rule out a rival answer, six worked questions and a practice set. 5 min read
  4. 4Number series for RRB NTPC: a checking order, patterns and practiceFind the next number, or the wrong one. Number series in RRB NTPC follow a small set of patterns: differences, multiplication, squares and cubes, primes, alternating series and combined rules. A checking order, seven worked questions and a practice set. 6 min read
  5. 5Letter and alphanumeric series for RRB NTPC: positions, patterns, practiceA, C, E, G… or AZ, BY, CX… Letter series become number series once you write down the letter positions. How to convert letters to numbers, the common patterns, wrap-around after Z, alphanumeric series, seven worked questions and practice. 5 min read
  6. 6Coding–decoding for RRB NTPC: letter, number and sentence codesIf CAT is written DBU, how is DOG written? Coding–decoding questions hide a simple rule inside a word. Letter shifts, reversals, opposite letters, number codes, sentence codes and substitution, with a method for each, seven worked questions and practice. 6 min read
  7. 7Blood relations for RRB NTPC: family trees, coded relations and practice"P is the father of Q. Q is the sister of R. How is R related to P?" Blood relation questions become simple once you draw a family tree and note only the genders the question actually gives. The diagram method, relation words, coded relations, "pointing to a photograph" puzzles, seven worked questions and practice. 6 min read
  8. 8Direction and distance for RRB NTPC: turns, shortest distance and shadowsWalk 5 km north, turn right, walk 3 km, turn right again: where are you? Direction questions need a rough sketch, the rule for left and right turns, Pythagoras for distances and the sun-and-shadow rule. A step-by-step method, seven worked questions and practice. 6 min read
  9. 9Order and ranking for RRB NTPC: formulas, swaps, comparisons, practiceSeventh from the top and twelfth from the bottom: how many in the class? Ranking questions use three formulas and a line diagram. Positions from both ends, people between, interchanges, two-case questions and comparison chains, with seven worked questions and practice. 6 min read
  10. 10Seating arrangement for RRB NTPC: rows, circles and the left–right rulePeople in a row or around a table, with clues about who sits next to whom. Seating arrangement takes longer than most reasoning questions, but a fixed method makes it reliable. Rows facing north or south, circles facing the centre, three worked puzzles and two practice sets. 7 min read
  11. 11Puzzles for RRB NTPC: schedules, floors and matching gridsFive people, five days, a handful of clues. Puzzles look long, but a grid and a fixed clue order solve them. Scheduling, floor and matching puzzles, how to handle two possible cases, four solved puzzles and practice with answers. 8 min read
  12. 12Syllogism for RRB NTPC: Venn diagrams, either–or and possibility"All dogs are animals. All animals are living things. Does it follow that all dogs are living things?" Syllogism tests pure logic. The four statement types, what each one lets you conclude, the either–or case, possibility questions, six solved examples and practice. 7 min read
  13. 13Statements, conclusions and assumptions for RRB NTPC: what really followsA short statement, then two conclusions or assumptions. Which follow? These questions test careful reading, not general knowledge. How conclusions differ from assumptions, the words that decide the answer, seven worked examples and practice with reasons. 7 min read

New Reasoning guides are added regularly. Back to all RRB NTPC guides