edited by
424 views
2 votes
2 votes

Each of nine persons. P, Q, R, S, T, U, V, W and X, lives in a different flat in an apartment building, which has six floors (excluding the ground floor, which is used only for parking) and three flats on each floor. The three flats on each floor are in a row and no two adjacent flats on a floor are occupied. At least one person lives on each floor.

Further the following information is known:

  1. P and Q live on the same floor.
  2. R and S live on different floors.
  3. T lives in the middle flat on the fourth Floor.
  4. U lives on the sixth floor and V lives on the first floor.
  5. W Fives on the floor which is immediately above the floor on which X lives.

If Q lives on the third floor, then how many combinations of persons could live on the second floor?

  1. $8$
  2. $6$
  3. $5$
  4. $7$
edited by

Please log in or register to answer this question.

Related questions

0 votes
0 votes
0 answers
2
0 votes
0 votes
0 answers
3
admin asked Mar 6, 2020
542 views
The following is the table of points drawn at the end of all matches in a six-nation Hockey tournament, in which each country played with every other country exactly once...
0 votes
0 votes
0 answers
4
admin asked Mar 6, 2020
776 views
The following is the table of points drawn at the end of all matches in a six-nation Hockey tournament, in which each country played with every other country exactly once...