A, B, C, D, E, and F are six friends seating in a long bench. E and F are at the centre while A and B are at the two extreme ends. C is sitting to the immediate left of A. Can you identify who is sitting to the immediate right of B?
D
Understanding the Seating Arrangement Puzzle
This problem asks us to figure out the seating arrangement of six friends (A, B, C, D, E, F) on a long bench based on several clues. We need to use logical deduction to place each friend in their correct position and then identify the person sitting immediately to the right of friend B.
Step-by-Step Analysis of the Clues
Let's break down the information given and build the seating arrangement step by step. A long bench suggests a linear arrangement of seats. Since there are six friends, we can imagine six seats in a row.
- A and B are at the two extreme ends. There are two ends to a long bench, a left end and a right end. So, one friend is at the far left seat and the other is at the far right seat.
- C is sitting to the immediate left of A. This is a crucial clue. If C is to the immediate left of A, A must be on the right side of the bench, because only the person on the rightmost end can have someone immediately to their left. This means A is at the right extreme end, and B must be at the left extreme end.
So far, we know the ends of the bench:
- Left End: B
- Right End: A
Let's represent the six seats from left to right:
[Seat 1] [Seat 2] [Seat 3] [Seat 4] [Seat 5] [Seat 6]
Based on the ends:
[B] [Seat 2] [Seat 3] [Seat 4] [Seat 5] [A]
Now, let's use the clue about C:
- C is sitting to the immediate left of A. A is in Seat 6 (the right end). The seat immediately to the left of Seat 6 is Seat 5. So, C is in Seat 5.
The arrangement is now:
[B] [Seat 2] [Seat 3] [Seat 4] [C] [A]
Next clue:
- E and F are at the centre. With six seats, the two centre seats are Seat 3 and Seat 4. E and F must occupy these two seats. Their order (E then F, or F then E) is not specified, but they are in seats 3 and 4.
The arrangement is now:
[B] [Seat 2] [E or F] [F or E] [C] [A]
We have placed A, B, C, E, and F. The only friend remaining is D. The only seat remaining is Seat 2.
- The remaining friend D must occupy the remaining seat, which is Seat 2.
The final seating arrangement from left to right is:
[B] [D] [E or F] [F or E] [C] [A]
Identifying the Person to the Immediate Right of B
The question asks who is sitting to the immediate right of B. In our final arrangement, B is in Seat 1 (the leftmost seat). The seat immediately to the right of Seat 1 is Seat 2.
Looking at our arrangement: [B] [D] [E or F] [F or E] [C] [A]
The person in Seat 2 is D.
Therefore, D is sitting to the immediate right of B.
Final Seating Arrangement
| Seat Position (Left to Right) | Seat 1 | Seat 2 | Seat 3 | Seat 4 | Seat 5 | Seat 6 |
| Friend | B | D | E or F | F or E | C | A |
Based on this arrangement, the person to the immediate right of B is D.
Revision Table: Key Clues and Deductions
| Clue | Deduction |
|---|---|
| 6 friends, long bench | Linear arrangement of 6 seats. |
| A and B at extreme ends | A and B are at the two end seats (Seat 1 and Seat 6). |
| C immediate left of A | A must be at the right end (Seat 6), and C is at Seat 5. Thus, B is at the left end (Seat 1). |
| E and F at the centre | E and F are in Seats 3 and 4. |
| Remaining friend (D) and seat (Seat 2) | D is in Seat 2. |
| Who is immediate right of B? | The person in Seat 2. |
Additional Information on Seating Arrangement Logic
Seating arrangement questions are common in logical reasoning tests. They require careful reading and step-by-step deduction. Here are some tips:
- Always visualize or draw the arrangement (linear, circular, etc.).
- Identify fixed positions first (like ends or specific named spots).
- Use relative positions (left/right, immediate left/right, opposite to, between) to fill in nearby spots.
- Keep track of who has been placed and which spots are still empty.
- For linear arrangements, be careful with "left" and "right" – it's usually from the perspective of someone *facing* the bench, unless specified otherwise. In this problem, "immediate left of A" means the seat next to A on the side towards the middle of the bench.
- Sometimes the order of some individuals doesn't matter for the specific question asked (like E and F in this case).
Practicing different types of arrangement puzzles helps improve logical deduction skills.
Important Questions from Linear Arrangement
Seven people, A, B, C, D, E, F and G, are sitting in a straight row facing the north. Only two people sit to the left of C. Only two people sit between A and B. B sits to the left of A. E is an immediate neighbour of A to the right. Only one person sits to the right of D. F is not an immediate neighbour of B. Who sits at the centre?
P, Q, R and S are sitting on a bench and facing in the same direction. P sits next to Q but not next to R. S, who is sitting on the extreme right, does not sit next to either Q or R. How many of them each have two neighbors?
5 boys A, B, C, D and E are sitting in a row. E is sitting between D and A, B is to the right of A, C is at one of the extreme ends and C and D are sitting next to each other. Which of the following statement is false?
Five friends Ram, Priya, Raunak, Aditya and Shyam are sitting in a row facing north. Raunak is to the right of Shyam and Priya is to the left of Shyam but to the right of Rama. Raunak is to the left of Aditya. Who is fourth from the left end?
Seven friends P, Q, R, S, T, U, and V are sitting in a straight line facing north. Q sits fifth to the right of T. Q does not sit at any of the extreme ends. Two people sit between U and R. S sits third to the left of V. S sits exactly in the middle. U is not an immediate neighbour of P.
How many people sit between R and V?
