Reasoning last Minute revision notes

RRB JE Reasoning Short Notes
Last Minute Revision

1. Alphabet Test

• Total Letters = 26
• A=1, B=2, C=3 ... Z=26
• Reverse Position = 27 - Position
• Opposite Letters: A↔Z, B↔Y, C↔X, D↔W, E↔V, F↔U, G↔T, H↔S, I↔R, J↔Q, K↔P, L↔O, M↔N

Formula : Reverse Position = 27 − Original Position

2. Number Series

• Difference
• Double Difference
• Multiplication
• Division
• Square Numbers
• Cube Numbers
• Prime Numbers
• Fibonacci Series
• Alternate Pattern

3. Letter Series

• Alphabet Position
• +1 +2 +3 Pattern
• -1 -2 Pattern
• Alternate Letters
• Reverse Alphabet

4. Analogy

• Part → Whole
• Tool → Work
• Country → Capital
• Author → Book
• Animal → Young One
• Cause → Effect

5. Classification

• Odd One Out
• Shape
• Meaning
• Category
• Alphabet
• Number

6. Coding-Decoding

• Letter Shift
• Reverse Coding
• Number Coding
• Symbol Coding
• Position Based Coding

7. Blood Relation

Relation	Meaning
Father	Male Parent
Mother	Female Parent
Brother	Male Sibling
Sister	Female Sibling
Son	Male Child
Daughter	Female Child

Grandfather ↑2
Father ↑1
Self
Son ↓1
Grandson ↓2

8. Direction Sense

          North

             ↑

West ←         → East

             ↓

          South

• Right Turn = Clockwise
• Left Turn = Anti-clockwise

9. Ranking

• Left Rank
• Right Rank
• Top Rank
• Bottom Rank

Total Persons = Left Rank + Right Rank − 1

10. Sitting Arrangement

• Immediate Left
• Immediate Right
• Opposite
• Next To
• Between

Facing Centre → Left = Clockwise

Facing Outside → Left = Anti-clockwise

11. Calendar

• Normal Year = 365 Days = 1 Odd Day
• Leap Year = 366 Days = 2 Odd Days
• Leap Year → Divisible by 4
• Century Leap → Divisible by 400

12. Clock

• Minute Hand = 6° per minute
• Hour Hand = 0.5° per minute
• 90° = Right Angle
• 180° = Straight Angle
• 0° = Same Line

13. Venn Diagram

• AND → Intersection
• OR → Union
• NOT → Outside

14. Syllogism

• All A are B
• Some A are B
• No A is B
• Some A are not B
• Conclusion must follow statements only.

15. Statement Based Questions

• Statement & Conclusion
• Statement & Assumption
• Statement & Argument
• Cause & Effect
• Data Sufficiency

16. Mirror & Water Image

• Mirror → Left ↔ Right
• Water → Top ↔ Bottom

17. Cube & Dice

Property	Value
Faces	6
Edges	12
Vertices	8

Opposite Faces Never Touch.

18. Figure Counting

• Squares
• Rectangles
• Triangles
• Circles

Important Squares

Number	Square
11	121
12	144
13	169
14	196
15	225
16	256
17	289
18	324
19	361
20	400

Important Cubes

Number	Cube
1	1
2	8
3	27
4	64
5	125
6	216
7	343
8	512
9	729
10	1000

Prime Numbers (1-100)

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

Exam Day Quick Revision

• ✔ Alphabet Position
• ✔ Opposite Letters
• ✔ Direction Rules
• ✔ Blood Relations
• ✔ Ranking Formula
• ✔ Clock Angles
• ✔ Calendar Rules
• ✔ Cube Facts
• ✔ Syllogism Keywords
• ✔ Prime Numbers
• ✔ Squares & Cubes

Remember: Total Persons = Left Rank + Right Rank − 1

RRB JE Reasoning Short Notes | Last Minute Revision Notes