RRB Group D 05 August 2026 All Shift Exam Review: Reasoning Questions with Solutions by Prashant Sir

RRB Group D 05 August 2026 All Shift Exam Review: The Reasoning section in the RRB Group D 05 August 2026 exam was largely easy to moderate, with several direct questions and a few time-consuming puzzles. Students who had practiced Coding-Decoding, Seating Arrangement, Blood Relations, and Direction Sense found the section manageable.

Prashant Sir highlighted that candidates with strong conceptual clarity could comfortably attempt 25-28 questions with good accuracy.

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RRB Group D 05 August 2026 Reasoning Topic-Wise Weightage

Before looking at the memory-based questions, here's a quick overview of the important topics covered in all shifts.

Questions Asked in RRB Group D 05 August Exam

Coding-Decoding remained the most important topic in all shifts. Several different patterns were asked.

1. Alphabetical Opposite Coding

Question:
GKNR : SOLH :: MNGB : ?

Solution

• Find opposite alphabet of each letter.

• Reduce every resulting letter by one alphabetical position.

Answer: MLSX

2. Letter Replacement Coding

Question

If every letter of BACKGROUND is replaced by its immediate succeeding letter, how many vowels will appear?

Solution

BACKGROUND

↓

CBDLHSPVOE

Vowels present = O, E

Answer: 2

3. Alphabetical Sorting Coding

Question

USER : USRE

TIRING : TRNIIG

DIVOTED : ?

Pattern

Arrange letters in descending alphabetical order.

DIVOTED

↓

V T O I E D D

Answer: VTOIEDD

4. Constant Letter Shift Coding

Question

SONG : VRQJ

TIME : ?

Pattern

Each letter is shifted +3.

TIME

↓

T→W

I→L

M→P

E→H

Answer: WLPH

5. Reverse Coding with Alternate Operations

Question

GATE : JOFB

IDLE : JGID

MILK : ?

Pattern

Reverse the word and alternately apply +5 and −5.

Answer: PGNH

6. Odd-Even Coding Pattern

Question

CIRCLE : DLWHYA

SQUARE : ?

Pattern

• First three letters → +1, +3, +5

• Last three letters → −2, −4, −6

Answer: TTZYNB

7. Sum of Alphabet Place Values

Question

BACK = 17

JAM = ?

Solution

J = 10

A = 1

M = 13

10 + 1 + 13

= 24

Answer: 24

8. Common Coding Question

Statements

• NAPA KA SO → Rose is Red Color

• RISA SOLAPA → Jasmine Like Rose Color

• TIME KA BO → Blood Also In Red

Find the code for "Is".

Answer: NA

9. Direction Sense Question Asked

Direction Sense was straightforward and based on basic movement calculations.

Question

A girl walks

• 3 km East

• 2 km South

• 7 km East

• turns left

• walks 2 km

Where is her home from her present position?

Solution

Final position is 10 km east of the starting point.

Answer: 10 km West

10. Seating Arrangement Questions

Two arrangement-based questions appeared.

Circular Seating Arrangement

Eight people sat around a circular table facing the centre.

After arranging all clues, the question asked:

How many persons sit between Avan and Prabhu towards the left of Avan?

Answer: 0

Linear Seating Arragement

Seven friends sat in a row facingn North.

Question:

Who sits immediately right of Prem?

Answer: Shravya

11. Alphabet Series Question

Question

QDS

NET

KFU

HGV

?

Observe the pattern:

• First letter → −3

• Second letter → +1

• Third letter → +1

Answer: EHW

12. Blood Relation Question

Question

Kamal is Sampat's father.

Sampat is Rajni's son.

Roshni is Rajni's sister.

Rashmi is Roshni's daughter.

How is Roshni related to Sampat?

Answer: Maternal Aunt

13. Stacking Puzzle

Seven boxes were stacked vertically using given clues.

Question:

Which box is fourth from the bottom?

Answer: T

14. Syllogism Question

Statements

• Some watches are clocks.

• All clocks are towers.

• All towers are bricks.

Conclusions

• Some bricks are watches.

• All clocks are bricks.

Answer: Both conclusions follow.

15. Ranking Question

Question

There are 12 students in a row.

After moving 3 places right, Karan becomes 5th from the right.

Find his original position from the left.

Solution

New position from left = 8

Original position = 5

Answer: 5th from the left

Difficulty Level of Reasoning Section

According to Prashant Sir, the Reasoning paper was balanced with a strong focus on Coding-Decoding. Students who regularly practiced previous year questions could solve most questions comfortably.

Prashant Sir's Preparation Tips

Prashant Sir recommended the following strategy for upcoming RRB Group D shifts:

• Practice 20-30 Coding-Decoding questions daily.

• Solve Seating Arrangement and Puzzle questions regularly to improve speed.

• Revise Blood Relation, Direction Sense, Ranking, and Series concepts every day.

• Focus on accuracy, as unnecessary mistakes can reduce the overall score.

• Analyze memory-based questions from previous shifts to understand the latest exam pattern.