Eight persons sit in a row such that some face north and others face south. No more than two adjacent persons face the same direction. More than four persons sit between J and E, who faces north. M sits 2nd to the right of E. Four persons sit between K and G, and both face the same direction. R sits 2nd to the right of J. W sits 3rd to the right of G. R and P face the same direction. R and W do not sit next to each other.

How many persons face the south direction?

Question

Eight persons sit in a row such that some face north and others face south. No more than two adjacent persons face the same direction. More than four persons sit between J and E, who faces north. M sits 2nd to the right of E. Four persons sit between K and G, and both face the same direction. R sits 2nd to the right of J. W sits 3rd to the right of G. R and P face the same direction. R and W do not sit next to each other.

How many persons face the south direction?

Accepted Answer

**Solution:**

1. Given that E faces north and more than four persons sit between J and E, so J and E must be at extreme ends of the row of 8 persons.

2. Since E faces north, and M sits 2nd to the right of E, placing E at position 1 (leftmost), M will be at position 3.

3. Four persons sit between K and G, and both face the same direction. The only way to have four persons between them in a row of 8 is if K is at position 1 and G at position 6 or vice versa.

4. R![image.png](https://res.cloudinary.com/aptidude/image/upload/v1758788472/aptidude_questions/auv3ape4uxdupusre009.png) sits 2nd to the right of J. Since J is at position 8 (rightmost), R will be at position 2.

5. W sits 3rd to the right of G. If G is at position 6, W will be at position 9 which is impossible. So G must be at position 3, but M is at 3. So G must be at position 6, W at position 1 (not possible). Hence, G is at position 2, W at position 5.

6. R and P face the same direction. R is at position 2, so P must be placed accordingly.

7. R and W do not sit adjacent to each other.

8. Using the above, the seating order is: E (1), R (2), M (3), P (4), W (5), G (6), K (7), J (8).

9. Directions assigned so that no more than two adjacent persons face the same direction and conditions on same directions for K and G, and R and P are met.

10. Counting the number of persons facing south, we find there are 4.

**Answer:** Four

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