Ten people A, B, C, D, E, F, G, H, I and J live on ten different floors of a building such that the lowermost floor is numbered one, the floor above it is numbered two and so on such that the topmost floor is numbered 10 but not necessarily in the same order. J lives on an even numbered floor but not on floor 2 or 4. C lives immediately below J. Only four people live between C and B. E lives on one of the floors above C but below B. H lives between J and G. Only two people lives below F. There are as many people between F and C as between B and G. I lives two floors below D. Who among the following lives on floor 1?
Ten people A, B, C, D, E, F, G, H, I and J live on ten different floors of a building such that the lowermost floor is numbered one, the floor above it is numbered two and so on such that the topmost floor is numbered 10 but not necessarily in the same order. J lives on an even numbered floor but not on floor 2 or 4. C lives immediately below J. Only four people live between C and B. E lives on one of the floors above C but below B. H lives between J and G. Only two people lives below F. There are as many people between F and C as between B and G. I lives two floors below D. Who among the following lives on floor 1? Correct Answer A
People: A, B, C, D, E, F, G, H, I and J
1. J lives on an even numbered floor but not on floor 2 or 4.
2. C lives immediately below J.
3. Only four people live between C and B.
|
Floor |
People |
||
|
Case I |
Case II |
Case III |
|
|
10 |
J |
|
B |
|
9 |
C |
|
|
|
8 |
|
J |
|
|
7 |
|
C |
|
|
6 |
|
|
J |
|
5 |
|
|
C |
|
4 |
|
|
|
|
3 |
|
B |
|
|
2 |
|
|
|
|
1 |
|
|
|
4. E lives on one of the floors above C but below B.
(Hence, Case I and II is eliminated as it violates the above statement.)
5. Only two people live below F.
6. There are as many people between F and C as between B and G.
|
Floors |
People |
|
10 |
B |
|
9 |
E/ |
|
8 |
G |
|
7 |
E/ |
|
6 |
J |
|
5 |
C |
|
4 |
|
|
3 |
F |
|
2 |
|
|
1 |
|
6. There are as many people between F and C as between B and G.
|
Floors |
People |
|
10 |
B |
|
9 |
E/ |
|
8 |
G |
|
7 |
E/ |
|
6 |
J |
|
5 |
C |
|
4 |
|
|
3 |
F |
|
2 |
|
|
1 |
|
7. H lives between J and G.
8. I lives two floors below D.
(According to the given statement, I must live on floor 2 and D on floor 4.)
|
Floor |
People |
|
10 |
B |
|
9 |
E |
|
8 |
G |
|
7 |
H |
|
6 |
J |
|
5 |
C |
|
4 |
D |
|
3 |
F |
|
2 |
I |
|
1 |
|
Only one person A is left and only one floor 1 is left unoccupied.
|
Floor |
People |
|
10 |
B |
|
9 |
E |
|
8 |
G |
|
7 |
H |
|
6 |
J |
|
5 |
C |
|
4 |
D |
|
3 |
F |
|
2 |
I |
|
1 |
A |
Hence, A lives on floor 1.