Question Details

Directions (81-85): Study the following information carefully and answer the questions given below:

Eight persons buy different things one after other. Two persons buy between M and L who buys immediately before Q. O buys two persons before Q. As many persons buy between O and Q as between L and K. K buys before O. Two persons buy between K and P. J buys before N and after P.

If P is related to K in the similar way J is related to O then who among the following is related to L?

Options

A

N

B

M

C

Q

D

J

Show Answer

Correct Answer :

Option B

M

M

Solution :

To find the correct answer, let's reconstruct the sequence of the eight persons buying things one after another based on the given clues.

Step 1: Analyze the clues to find the order of purchasing.
Let the positions be numbered 1 to 8 from first to last (1st being the earliest and 8th being the latest).
1. "L buys immediately before Q." This means we have the consecutive block: L, Q.
2. "O buys two persons before Q." This means there is one person between O and Q. Thus, the order is: O, L, Q.
3. "As many persons buy between O and Q as between L and K."
The number of persons buying between O and Q is 1 (since L is between them). Therefore, there must be exactly 1 person buying between L and K.
4. "K buys before O."
Since K is before O, and there is 1 person between L and K, let's trace: if we have K, [space], O, L, Q, then the person between L and K would be O. This perfectly matches the requirement of 1 person (O) between L and K. So the sequence so far is: K, O, L, Q.
5. "Two persons buy between M and L."
Our current sequence is K, O, L, Q. L is at a certain position. The person M can be 2 positions before L or 2 positions after L.
- If M is after L: K, O, L, Q, [space], M. (This has 6 positions: K, O, L, Q, _, M).
- If M is before L: The position 2 steps before L is occupied by K. Since K is already there, M cannot be before L. Thus, M must be after L. The sequence becomes: K, O, L, Q, [space], M.
6. "Two persons buy between K and P."
In our sequence, K is at the first relative position: K, O, L, Q, [space], M. The person 2 positions after K (meaning 2 people between K and P) would place P at the 4th position relative to K (i.e., K, _, _, P). Let's check: K (1st), O (2nd), L (3rd), Q (4th). Since Q is already at the 4th position, P cannot be here. This means our relative order needs to be placed within the 8 positions carefully, or P is before K.
Let's re-verify the positions:
If K is at position 3:
Sequence: 3: K, 4: O, 5: L, 6: Q, 7: [space], 8: M.
Then "Two persons buy between K and P" means P could be at position 6 (occupied by Q) or position 0 (invalid).
Let's try: K is at position 4:
4: K, 5: O, 6: L, 7: Q, 8: [space] - wait, then M would be at position 9 (invalid).
Let's try K at position 1:
1: K, 2: O, 3: L, 4: Q, 5: [space], 6: M.
Then "Two persons buy between K and P" means P must be at position 4 (occupied by Q) or before K (invalid).
Wait, let's re-read: "Two persons buy between K and P." This means K, [space], [space], P or P, [space], [space], K.
Let's try P before K: P, [space], [space], K, O, L, Q, [space], M.
This sequence has: P (1st), 2nd, 3rd, K (4th), O (5th), L (6th), Q (7th), 8th, M (9th) - total 9 positions, which exceeds 8 persons. Thus, this layout is invalid.
Let's re-evaluate the clues:
"Two persons buy between M and L"
If L is at position 6, M can be at position 3 (two persons between 3 and 6 are 4 and 5).
Let's test this layout: O, L, Q. Since L is immediately before Q, if L is at 6, Q is at 7.
O is two persons before Q, so O is at 5 (O, [6: L], 7: Q). Indeed, 1 person (L) is between O and Q.
"As many persons buy between O and Q as between L and K." -> 1 person between L and K.
Since K buys before O, and O is at 5, L is at 6, the person between L and K is 1. If K is at 4: the person between L (6) and K (4) is 5 (O). This matches! So K is at 4, O is at 5, L is at 6, Q is at 7.
Now, "Two persons buy between M and L."
Since L is at 6, M can be at 3 (persons between them are 4 and 5, i.e., K and O). This is valid!
So we have: 3: M, 4: K, 5: O, 6: L, 7: Q.
Now, "Two persons buy between K and P."
Since K is at 4, P can be at 1 (persons between them are 2 and 3) or at 7 (occupied by Q). Thus, P must be at 1.
The sequence now is: 1: P, 2: [space], 3: M, 4: K, 5: O, 6: L, 7: Q, 8: [space].
"J buys before N and after P."
The remaining empty positions are 2 and 8.
Since J buys after P (P is at 1) and before N, J must be at 2 and N must be at 8.
Let's check: J (2) is before N (8) and after P (1). This fits perfectly!
The final sequence of the eight persons from 1 to 8 is:
1: P, 2: J, 3: M, 4: K, 5: O, 6: L, 7: Q, 8: N.

Step 2: Determine the relationship.
We are given: "If P is related to K in the similar way J is related to O then who among the following is related to L?"
Let's look at the positions in the sequence:
- P is at 1, K is at 4. The difference in position is: 4-1=3 (K is 3 positions after P).
- J is at 2, O is at 5. The difference in position is: 5-2=3 (O is 3 positions after J).
Following this pattern, the person related to L must be the person who is 3 positions before L, or L is 3 positions after that person.
L is at position 6. The person 3 positions before L is at position 6-3=3.
The person at position 3 is M.

Therefore, M is related to L in the same way.

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