Question
Download Solution PDFSeven persons P, Q, R, S, A, B, and D are sitting one above the other on a ladder (not necessarily in the same order). B sits neither at the top nor at the bottom. Only four persons sit between P and R. S sits immediately above A. Only one person sits between R and D. D sits below S. B sits above Q.
Three of the following are similar in a certain way based on their seating arrangement and form a group. Which of the following does not belong to that group?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven: Seven persons P, Q, R, S, A, B, and D are sitting one above the other on a ladder (not necessarily in the same order).
Only four persons sit between P and R.
Case I
| P |
| R |
Case II
| P |
| R |
Only one person sits between R and D.
Case I
| P |
| D |
| R |
Case II
| P |
| D |
| R |
S sits immediately above A.
D sits below S.
Case I
| P |
| S |
| A |
| D |
| R |
Case II
| P |
| S |
| A |
| D |
| R |
B sits above Q. B sits neither at the top nor at the bottom.
So, case II not possible,
Case I
| P |
| S |
| A |
| D |
| B |
| R |
| Q |
From question
Let's look at the pairs in the option:
PA: P and A are a gap of one in the sequence.
DB: D and B are adjacent in the sequence.
SD: S and D are a gap of one in the sequence.
BQ: B and Q are a gap of one in the sequence.
Hence the correct answer is "Option 2"
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