Question
Download Solution PDFComprehension
Direction: Read the following information carefully and answer the questions based on given information.
Nine persons B, G, K, M, O, R, S, T and X lives on a nine storey building such that bottom floor is number 1 and top floor is number 9 but not necessarily in same order. Three persons live between K and R who lives two floors above B. As many persons live between G and X as many between X and M. Only two persons live between S and X. G lives on one of the floor above B who lives on odd number floor. At least two persons live between O and R. S lives below K. M and R does not live adjacent to each other. Neither O nor T lives on top or bottom floor.
Which of the following combination shows the top floor and bottom floor person ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFHere, B, G, K, M, O, R, S, T and X.
1) Three persons live between K and R who lives two floors above B.
2) B lives on odd number floor.
|
Floor |
Case – 1 |
Case – 2 |
Case – 3 |
Case – 4 |
Case – 5 |
|
Persons |
Persons |
Persons |
Persons |
Persons |
|
|
9 |
|
K |
|
|
R |
|
8 |
|
|
|
|
|
|
7 |
K |
|
|
R |
B |
|
6 |
|
|
|
|
|
|
5 |
|
R |
R |
B |
K |
|
4 |
|
|
|
|
|
|
3 |
R |
B |
B |
K |
|
|
2 |
|
|
|
|
|
|
1 |
B |
|
K |
|
|
3) Only two persons live between S and X.
4) As many persons live between G and X as many between X and M.
5) G lives one of the floors above B.
6) S lives below K. So, case 3 is eliminated.
7) M and R does not live adjacent to each other.
|
Floor |
Case – 1 |
Case – 2(a) |
Case – 2(b) |
Case – 2(c) |
Case – 4 |
Case – 5 |
|
Persons |
Persons |
Persons |
Persons |
Persons |
Persons |
|
|
9 |
|
K |
K |
K |
|
R |
|
8 |
|
M |
|
|
|
G |
|
7 |
K |
X |
|
S |
R |
B |
|
6 |
M |
G |
G |
G |
G |
X |
|
5 |
X |
R |
R |
R |
B |
K |
|
4 |
G |
S |
X |
X |
X |
M |
|
3 |
R |
B |
B |
B |
K |
S |
|
2 |
S |
|
M |
M |
M |
|
|
1 |
B |
|
S |
|
S |
|
8) Neither T nor O lives on top or bottom floor. So, cases 1, 2(a), 2(c), 4 and 5 are eliminated.
9) At least two persons live between O and R. Hence, the final arrangement is as follows
|
Floor |
Persons |
|
9 |
K |
|
8 |
O |
|
7 |
T |
|
6 |
G |
|
5 |
R |
|
4 |
X |
|
3 |
B |
|
2 |
M |
|
1 |
S |
Since, K lives on top floor whereas S lives on bottom floor.
Hence, the correct combination is KS.
Last updated on Jul 3, 2025
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