Railways Notes / General Intelligence & Reasoning
RRB NTPC · Group D Preparation

General Intelligence
& Reasoning

Analogy, Series, Puzzles, and Critical Reasoning — the complete Reasoning syllabus for RRB NTPC & Group D, with solving strategies and solved examples. No PDF, no signup required.

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22 ChaptersFull topic coverage
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Tap a chapter to start reading. Each opens its own dedicated notes page with rules, tricks, and solved examples.

1
Analogy
Word, number, and letter relationship pairs
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2
Classification (Odd One Out)
Finding the item that doesn't share the group's common property
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3
Number Series
Fast pattern-spotting for missing and wrong number questions
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4
Alphabet Series
The EJOTY trick and opposite-letter rule
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5
Coding-Decoding
Letter-shifting, substitution, and number coding schemes
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6
Blood Relations
Family tree mapping with generation-based symbols
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7
Direction & Distance
Compass directions, turn logic, and Pythagoras-based distance
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8
Order & Ranking
The rank-from-top/bottom formula
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9
Alphabet Test
Arranging words alphabetically and finding position-based answers
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10
Venn Diagram
Representing overlapping and non-overlapping categories
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11
Syllogism
The Venn diagram method for All/Some/No statement questions
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12
Statement & Conclusion
Finding what definitely and logically follows
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13
Statement & Assumption
Identifying the implicit belief behind a statement
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14
Statement & Argument
Distinguishing strong arguments from weak ones
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15
Puzzle
Structured approach for floor, box, and comparison puzzles
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16
Seating Arrangement
Linear and circular arrangements solved step-by-step
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17
Clock & Calendar
Angle-between-hands formula and the odd days concept
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18
Mathematical Operations
Symbol-substitution arithmetic solved with BODMAS
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19
Data Sufficiency
Judging whether statements contain enough information
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20
Decision Making
Rule-based eligibility puzzles applying fixed criteria
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21
Non-Verbal Reasoning
Figure series, mirror/water images, and paper folding
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22
Cube & Dice
Standard dice numbering and cube-painting problems
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