Jharkhand Police Sub-Inspector (SI) /Reasoning Ability

Seating arrangement

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Seating Arrangement – Quick & Easy Study Notes

(For Jharkhand Police Sub‑Inspector – Reasoning Ability)

1. What is a Seating Arrangement Question?

  • Goal: Figure out where people sit relative to each other.
  • Think of it like a mini‑puzzle:
    • You have a line of seats (or a round table).
    • You’re given clues about who sits next to whom, who sits on the left/right, who sits at a particular seat, etc.
    • Your job is to place everyone in the right spot or answer a specific question (“Who sits between X and Y?”).

2. Everyday Analogy

  • Imagine a classroom row:
    • The teacher gives you the order in which students joined the line.
    • You only know that “A sits right of B” or “C sits in seat 3”.
    • By putting the clues together, you can draw the exact line of students.

3. How to Solve – Step‑by‑Step (Very Simple)

Step What to Do Example
1. List the people Write down all names (or initials) you know. A, B, C, D, E
2. Note the seats Write seat numbers or positions (1, 2, 3, …). Seat 1, Seat 2, …
3. Write the clues Convert each clue into a tiny rule. “A sits right of B” → B _ A
4. Start placing Pick the clue that gives a fixed position (e.g., “C sits at seat 3”). Put C in seat 3.
5. Use “next to” clues If someone sits next to someone else, they must be adjacent. If D is next to E, then D and E occupy two neighboring seats.
6. Fill the rest Keep using the clues until all seats are filled or the answer is clear.
7. Check consistency Make sure no rule is broken. If something doesn’t fit, backtrack.

4. Common Clue Types

Clue What It Means Quick Visual
Next to / Adjacent Two people sit next to each other. A _ B or B _ A
Left / Right One person is directly to the left or right of another. B _ A (A right of B)
Between Someone sits between two others. A _ C _ B (C between A & B)
Seat Number A person occupies a specific seat. Seat 3 = C
At an End Person sits at the very first or last seat. First seat = A
Two Seats Apart One person has exactly one seat between them. A _ X _ B
Group Together A set of people sit together (in any order). A B C somewhere together

5. Tiny Example

Clues

  1. A sits to the right of B.
  2. C sits in seat 3.
  3. D sits next to E.
  4. B sits at the leftmost seat.

Solution

Seat 1 2 3 4 5
Person B A C D E

Answer: Who sits between C and D? → No one (they are adjacent).

6. Quick Tips

  1. Start with fixed positions – seat numbers or ends.
  2. Use “next to” clues early – they give a pair that must stay together.
  3. Draw a small diagram – even a line of dots helps.
  4. Check every clue after placing someone – if a rule breaks, you’re wrong.
  5. If stuck, try the opposite arrangement – swapping two people often reveals the error.
  6. Time‑saving trick – if the question asks “who sits between X and Y”, you can often answer without full arrangement by just looking at clues involving X and Y.

7. Practice Question (with Answer)

Clues

  1. F sits to the left of G.
  2. H sits in seat 4.
  3. G sits next to I.
  4. B sits at the right end.
  5. C sits just right of H.

Question: Who sits between G and I?

Solution

Seat 1 2 3 4 5
Person F G I H C
Right end B – – – –

Answer: G and I are adjacent – no one sits between them.

8. Final Reminder

  • Treat each clue like a tiny instruction.
  • Keep the picture simple; use only the information you have.
  • Practice a few puzzles daily – the pattern recognition will improve fast.

Good luck, future Inspector! 🚓

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