Read the given information
carefully and answer the given questions:
Nine persons purchase different products one after the
other. Either four or five persons purchase after K. Three
persons purchase between K and L. M purchases just after
L. Number of persons purchase before M is same as after N.O purchases between N and K. Q purchases just after P but before O. R purchases before S but after O.

**Question:** Who purchases the product four persons after M?

Question

Read the given information
carefully and answer the given questions:
Nine persons purchase different products one after the
other. Either four or five persons purchase after K. Three
persons purchase between K and L. M purchases just after
L. Number of persons purchase before M is same as after N.O purchases between N and K. Q purchases just after P but before O. R purchases before S but after O.

**Question:** Who purchases the product four persons after M?

Accepted Answer

**Solution:**

1. Total persons = 9.

2. Condition: Either 4 or 5 persons purchase after K.
   - So, K is either 4th or 5th from the end.

3. Three persons purchase between K and L.
   - So, the positions of K and L differ by 4.

4. M purchases immediately after L.

5. Number of persons before M = number of persons after N.

6. O purchases between N and K.

7. Q purchases immediately after P but before O.

8. R purchases before S but after O.

**Step-by-step arrangement:**

- Let's assume K is 5th from the end (i.e., position 5).
- Then, persons after K = 4.
- Since 3 persons are between K and L, and difference in position is 4, L must be at position 1 (because 5 - 4 = 1).
- M is immediately after L, so M is at position 2.
- Number of persons before M = 1 (only L).
- Number of persons after N = 1, so N must be at position 8 (since total is 9, after N is 1 person).
- O is between N (8) and K (5), so O is at position 6 or 7.
- Q is immediately after P but before O.
- R is before S but after O.

Try placing O at position 6:
- Then Q and P must be at positions 3 and 4 (since Q is after P and before O).
- R and S must be at positions 7 and 9 (since R is after O and before S).

Final sequence:
1. L
2. M
3. P
4. Q
5. K
6. O
7. R
8. N
9. S

**Question:** Who purchases 4 persons after M (position 2)?
- 4 persons after M means position 6.
- Position 6 is O.

**Answer:** O

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