Eight people are sitting in two parallel rows with four people each in such a way that there is equal distance between adjacent persons. B, C, D and E sit in the same row facing South. H, I, J and K sit in the same row facing North. C sits at the extreme left end of their row and is exactly opposite I. H sits to the immediate left of I. K sits at the extreme left end of their row and is exactly opposite D. B sits between D and E. Who sits exactly opposite H?
E
Solving the Two-Row Seating Arrangement Puzzle
This puzzle involves arranging eight people in two parallel rows based on given clues about their positions and who they are facing or sitting next to. Let's break down the information and build the seating arrangement step-by-step.
Understanding the Setup
- There are two rows, with four people in each row.
- Row 1: B, C, D, E face South.
- Row 2: H, I, J, K face North.
- People in one row are exactly opposite people in the other row.
Let's denote the positions in each row from left to right as P1, P2, P3, P4. Since Row 1 faces South and Row 2 faces North, P1 in Row 1 is opposite P1 in Row 2, P2 opposite P2, and so on.
Analyzing the Clues
We will place the people based on the clues:
- "C sits at the extreme left end of their row and is exactly opposite I."
C is in the South-facing row (Row 1). The extreme left end of the row from the perspective of someone looking at the page is P1. So, C is at P1 in Row 1.
Since C is opposite I, and C is at P1 in Row 1, I must be at P1 in Row 2.
Row 1 (South) P1 P2 P3 P4 People C ? ? ? Row 2 (North) P1 P2 P3 P4 People I ? ? ?
- "H sits to the immediate left of I."
I is in the North-facing row (Row 2) at P1. For a North-facing person, 'left' is towards the left side of the page. So, H must be at P2 in Row 2.
Row 1 (South) P1 P2 P3 P4 People C ? ? ? Row 2 (North) P1 P2 P3 P4 People I H ? ?
- "K sits at the extreme left end of their row and is exactly opposite D."
K is in the North-facing row (Row 2). The extreme left end for Row 2 is P1. So, K is at P1 in Row 2. However, I is already at P1 in Row 2 based on clue 1.
Let's re-evaluate the term "extreme left end". For a South-facing row laid out P1-P4 from left-to-right on the page, the extreme left end *from their perspective* (their left hand) is the position P4 (East). For a North-facing row, their extreme left end is P1 (West, left side of page).
Let's assume "extreme left end" means the left side of the page for Row 2 (North) and the right side of the page (East) for Row 1 (South). This would mean P1 for North and P4 for South.
Revisiting Clue 1: C at extreme left end of Row 1 (South). Let's interpret this as P4 in Row 1. C is opposite I, so I is at P4 in Row 2.
Row 1 (South) P1 P2 P3 P4 People ? ? ? C Row 2 (North) P1 P2 P3 P4 People ? ? ? I
Revisiting Clue 3: K sits at the extreme left end of their row (Row 2 North). This means K is at P1 in Row 2.
Row 1 (South) P1 P2 P3 P4 People ? ? ? C Row 2 (North) P1 P2 P3 P4 People K ? ? I
K is opposite D. K is at P1 in Row 2, so D is at P1 in Row 1.
Row 1 (South) P1 P2 P3 P4 People D ? ? C Row 2 (North) P1 P2 P3 P4 People K ? ? I
Revisiting Clue 2: H sits to the immediate left of I. I is at P4 in Row 2 (North). For North-facing, left is towards P1. So, H is at P3 in Row 2.
Row 1 (South) P1 P2 P3 P4 People D ? ? C Row 2 (North) P1 P2 P3 P4 People K ? H I
- "B sits between D and E."
In Row 1 (South), we have D at P1 and C at P4. The remaining people are B and E for positions P2 and P3. If B sits between D and E, the order must be D, B, E, (then C). So, D is at P1, B is at P2, and E is at P3.
Row 1 (South) P1 P2 P3 P4 People D B E C Row 2 (North) P1 P2 P3 P4 People K ? H I
Completing the Arrangement
In Row 2 (North), we have K at P1, H at P3, and I at P4. The remaining person is J, and the remaining position is P2. So, J is at P2 in Row 2.
The final arrangement is:
| Row 1 (South) | P1 | P2 | P3 | P4 |
|---|---|---|---|---|
| People | D | B | E | C |
| Row 2 (North) | P1 | P2 | P3 | P4 |
|---|---|---|---|---|
| People | K | J | H | I |
Finding the Person Opposite H
We need to find who sits exactly opposite H. H is at P3 in Row 2.
The person opposite H will be at P3 in Row 1.
Looking at the final arrangement for Row 1: D (P1), B (P2), E (P3), C (P4).
The person at P3 in Row 1 is E.
Conclusion
Therefore, E sits exactly opposite H.
Seating Arrangement Puzzle Revision Table
| Row & Direction | Position P1 | Position P2 | Position P3 | Position P4 |
|---|---|---|---|---|
| Row 1 (South) | D | B | E | C |
| Row 2 (North) | K | J | H | I |
Additional Information on Seating Puzzles
Seating arrangement questions are common in reasoning sections of competitive exams. They test your ability to interpret clues and spatially arrange individuals based on given conditions. Key concepts include:
- Linear Arrangement: People in a single row, facing one direction or opposite directions.
- Circular Arrangement: People around a circle, facing the center or away from the center.
- Parallel Rows: People in two rows facing each other (like this puzzle).
- Facing Direction: Knowing whether someone faces North, South, East, West, Center, or Away is crucial for determining left/right positions relative to their own perspective.
- Immediate Left/Right: Means the person is directly next to the specified person on their left or right side.
- Opposite: In parallel rows, the person directly across. In a circle, the person farthest away.
- Between: A person is located in the positions separating two other people.
Careful reading of each clue and systematically building the arrangement is the key to solving these puzzles accurately.
Similar Questions
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Ten people are sitting in two parallel rows containing 5 people each, in such a way that there is equal distance between adjacent persons.
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How many people sit between R and V?
