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
Eight friends, A, B, C, D, E, F, G and H, are sitting in two lines of four persons each. Both the lines are facing each other. A is facing D. E is to the immediate left of G. H is to the immediate right of B. C is facing G. F is facing H. B is to the immediate right of the person who is facing G. D is to the immediate left of F. Which four persons are sitting in the same line?
Nine employees, K, L, M, N, O, P, Q, R and S, are sitting in the office in a straight line, all facing the east. O is third to the right of M. K is third to the left of P. Q is between P and S. N is fourth to the right of M. P is to the immediate right of N. R is fourth to the left of O. Which of the following statements is NOT correct?
Eight north-facing restaurants named P, Q, R, S, T, U, V and W are located in a straight line. S is second to the left of T. W is third to the left of P. T is between P and V. S is third to the left of V. W is to the immediate right of U. R is third to the right of P. Who is sitting fourth to the right of S?
Anamika, Gopal, Nischal, Vanmayi, Shresta and Sripad are sitting in a straight line facing the north. Nischal is to the immediate left of Gopal. Shresta is between Anamika and Sripad. Sripad is at the second place from the right end. Four persons are sitting between Nischal and Vanmayi. If Gopal and Sripad interchange their positions, then who will be sitting between Vanmayi and Shresta?
A question is given, followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and select the appropriate answer.
Question: How many people are standing in the row where all people are facing north?
Statements:
(I) A is fourth from the left end; M is second to the right of A; and R is second from the left end.
(II) M is fourth from the right end; only two people Stand between M and B.
