1.

Eight persons A, B, C, D, E, F, G and H live in an eight floor building. The lowermost floor is numbered 1 and the topmost floor is numbered 8. These persons are going to retire in different years - 2019, 2020, 2021, 2022, 2023, 2024, 2025 and 2026 but not necessarily in same order. F who lives 2 floors above D is going to retire in 2020. D lives on odd numbered floor but it is not the lower most floor. C lives on 7th floor and going to retire 2 years before D. B will retire before only two persons and he lives 3 floors above E. G lives on the topmost floor and will retire 2 years before H. A lives below H and will retire 1 year after H. A will retire at the end of everyone.In which year will D retire?1). 20222). 20233). 20194). 2024

Answer»

Person: A, B, C, D, E, F, G and H.

Retirement year: 2019, 2020, 2021, 2022, 2023, 2024, 2025 and 2026.

1) C lives on 7th FLOOR and going to retire 2 years before D.

2) D lives on odd numbered floor but it is not the lower most floor.

3) F, who lives 2 floors above D is going to retire in 2020.

Hence, D must be living on 3rd floor and F on 5th floor.

Floor

Person

Retirement Year

8

 

 

7

C

X - 2

6

 

 

5

F

2020

4

 

 

3

D

X

2

 

 

1

 

 

 

4) B will retire before only two persons and he lives 3 floors above E.

Hence, B will retire in 2024. And only possible position for E and B are 1st and 4th floor respectively.

Floor

Person

Retirement Year

8

 

 

7

C

X - 2

6

 

 

5

F

2020

4

B

2024

3

D

X

2

 

 

1

E

 

 

5) G lives on the topmost floor and will retire 2 years before H.

6) A lives below H and will retire 1 year after H.

Floor

Person

Retirement Year

8

G

Y - 2

7

C

X - 2

6

H

Y

5

F

2020

4

B

2024

3

D

X

2

A

Y + 1

1

E

 

 

7) A will retire at the end of everyone.

Hence, (Y + 1) = 2026

Adjusting the remaining VALUES according to that:

Floor

Person

Retirement Year

8

G

2023

7

C

X - 2

6

H

2025

5

F

2020

4

B

2024

3

D

X

2

A

2026

1

E

 

 

Now remaining years are 2019, 2021 and 2022. Only possible value of X is 2021.

Floor

Person

Retirement Year

8

G

2023

7

C

2019

6

H

2025

5

F

2020



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