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IBPS RRB PO Linear Seating Arrangement

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This page covers IBPS RRB PO Linear Seating Arrangement with complete concept notes, 4 graded practice MCQs, key points and exam-specific tips. Free to study.

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Concept Notes

Linear Seating Arrangement— Rules & Concept

Core ConceptRead this first — the foundation of the topic
Core Concept

Imagine people sitting on a bench in a straight line. Some face north (normal sitting), some face south (back towards north). You get clues about who sits where, how far from whom, and in which direction they face

Key Rules

1) Linear means straight line - either horizontal or vertical 2) People can face same direction or opposite directions 3) Left-Right is relative to the person's facing direction 4) Immediate left/right means directly adjacent 5) Between A and B means A and B are not adjacent.

Formula BlockMemorise — at least one formula appears in every paper
If n people sit in a line, total positions = n. If person A is 3rd from left, then A is (n-2)th from right. Distance between positions = |Position1 - Position2| - 1. If A faces north and B is to A's right, then B sits on A's right side. If A faces south and B is to A's right, then B sits on A's left side when viewed from above.
Exam PatternsWhat examiners ask — read before attempting PYQs
Common question types

1) Who sits at which position 2) How many people between two persons 3) Who faces which direction 4) Immediate neighbors identification 5) Position from left/right end

Shortcut 1 - Direction Trick

When person faces north, their left-right matches your left-right. When person faces south, their left-right is opposite to your left-right

Remember

North facer's right = your right, South facer's right = your left.

Worked ExampleSolve this step-by-step before moving on
1
Step 1

R sits at position 1 (left end)

2
Step 2

P sits at position 3 (given)

3
Step 3

Q sits immediate right of P, so Q at position 4

4
Step 4

S does not sit at right end (position 5), so S at position 2

5
Step 5

T sits at remaining position 5 Final arrangement: R-S-P-Q-T (positions 1-2-3-4-5) Shortcut 2 - Elimination Method: Start with definite positions first. Place people with clear position clues. Then use process of elimination for remaining people. Worked Example 2: Six people A, B, C, D, E, F sit in a line. Some face north, some south. A faces south and sits 2nd from right. B sits 3rd from left and faces north. C sits immediate left of A. D faces same direction as A. E sits between B and C.

1
Step 1

A sits at position 5 (2nd from right in 6-person line), faces south

2
Step 2

B sits at position 3, faces north

3
Step 3

C sits immediate left of A, so C at position 4

4
Step 4

E sits between B and C, so E at position... wait, B is at 3, C is at 4, so E cannot sit between them as they are adjacent. Re-check: E sits between B(3) and C(4) means there's an error in our arrangement. Correct approach: If E is between B and C, and B is 3rd from left, then arrangement could be B-E-C. So B(3), E(4), C(5). But A is 2nd from right (position 5). This means A and C both at position 5 - impossible. Re-reading: A at position 5, so C at position 4 (immediate left), E must be at position 2 (only position between B and C if we consider the linear sequence). Final check and arrangement: Position 1(?), B(2), Position 3(?), C(4), A(5), Position 6(?). E between B and C means E at position 3. Remaining positions filled by D and F. Shortcut 3 - Reference Point Method: Pick one person with maximum clues as reference point. Build the entire arrangement around that person.

Exam TrapsCommon mistakes students make — avoid these

Students confuse left-right when people face opposite directions. Always remember - when someone faces south, their personal left becomes your right when you view from above. Many students lose 2-3 marks just because of this directional confusion.

Draw arrows to show facing direction to avoid this trap.

Key Points to Remember

  • Linear arrangement means people sit in a straight line, either all facing same direction or mixed directions
  • If A is nth from left in a line of k people, then A is (k+1-n)th from right
  • Between two people means they are not adjacent - at least one person sits in the middle
  • When person faces north, their left-right matches normal left-right direction
  • When person faces south, their left-right is opposite to normal direction
  • Immediate left/right means directly adjacent with no gap between positions
  • Start solving by placing people with most definite position clues first
  • Distance between positions X and Y = |X-Y|-1 (number of people between them)
  • Use elimination method - place confirmed people first, then fill remaining positions
  • Always double-check final arrangement against all given clues before answering

Exam-Specific Tips

  • SSC CGL typically asks 3-5 questions per linear seating arrangement set
  • Linear seating problems appear in 90% of SSC CGL Tier-1 papers
  • Most common arrangement sizes are 5, 6, 7, or 8 people in SSC exams
  • Direction-based linear seating carries 2-3 marks per question in SSC pattern
  • Time allocation should be 1.5-2 minutes per question for linear arrangements
  • Bidirectional facing (some north, some south) appears in 70% of SSC linear seating questions
  • Position-finding questions (who sits 3rd from left) have 80% accuracy rate among toppers
Practice MCQs

Linear Seating Arrangement — Practice Questions

4graded MCQs · easy to hard · full solution & trap analysis

All MCQs →
Practice 1medium

Six people—Anil, Bhavna, Chirag, Deepak, Esha, and Faisal—sit in a straight line facing North. Chirag sits third from the left. Anil sits to the immediate left of Chirag. Esha sits to the immediate right of Chirag. Bhavna sits at one of the ends. Deepak sits to the left of Bhavna. Who sits second from the right?

Practice 2medium

Seven people—P, Q, R, S, T, U, V—sit in a straight line. R sits exactly in the middle. P sits third to the left of R. U sits second to the right of R. T sits to the immediate left of U. Q and V are the remaining two. V sits to the left of Q. Who sits at the leftmost position?

Practice 3medium

Six people—M, N, O, P, Q, R—sit in a straight line. O sits third from the left. M sits to the immediate left of O. P sits to the immediate right of O. N sits at the leftmost position. Q and R are the remaining two. R sits to the right of Q. Who sits second from the right?

Practice 4medium

Six people—W, X, Y, Z, A, B—sit in a straight line. Y sits exactly in the middle-left position (third from the left). X sits to the immediate left of Y. Z sits to the immediate right of Y. W sits at the leftmost position. A and B are the remaining two. A sits to the left of B. Who sits at the rightmost position?

60-Second Revision — Linear Seating Arrangement

  • Remember: nth from left = (total+1-n)th from right conversion formula
  • Trap: Direction confusion - south facer's right is your left from above view
  • Method: Place definite positions first, use elimination for remaining people
  • Formula: People between positions X and Y = |X-Y|-1
  • Quick check: Verify final arrangement satisfies all given conditions
  • Time management: Maximum 2 minutes per linear arrangement question
  • Strategy: Skip if more than 8 people or overly complex bidirectional clues
Circular Seating Arrangement→
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