Question

Charlie lives in the topmost floor. There is exactly one person between Ben and Annie. There are exactly two people between Feroz and David. Annie and Elly live on successive floors. Gina lives between Charlie and Feroz.


1. Who lives in the seventh floor ?
Gina Feroz Elly Charlie David

Answer 1

Answer:

Charlie lives on the seventh floor.

Explanation:

1. Charlie lives on the topmost floor.

2.one person between Ben and Annie,

  Ben ____  Anie   Or    Annie ___ Ben                  

3. Two  People between Feroz and David,

        Feroz __ __ David      Or  David __ __ Feroz

4.Annie and Elly are on successive floors.

  Annie Elly    Or   Elly Annie.

5. Gina lives between Charlie and Feroz.

Now, by (1) and (5), we get

6.  Charlie Gina Feroz

By  (3) and (6) we get

7.  Charlie Gina Feroz __ __ David

By (4) and (7) we get

8.  Charlie  Gina   Feroz   Elly   Annie   David, as only two places are left between Feroz and David.

By (2) and (8) we get

9.Charlie  Gina   Feroz   Elly   Annie   David  Ben, only place left is after David .

Hence at the seventh floor Charlie lives.