Question

U, V, W, X, Y and Z live on different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2, and so on till the topmost floor is numbered 6. Z lives on the floor immediately above Y. Only one person lives between U and V. W lives immediately above Z and immediately below V. Who lives on the second floor?

• A. Z
• B. V
• C. U
• D. W

Answer 1

Answer:

A. Z

Solution:

Given,

U, V, W, X, Y, and Z live on different floors of the same building.

Step 1: The lowermost floor in the building is numbered 1, the floor above it is numbered 2, and so on till the topmost floor is numbered 6.

Floor	Persons
6
5
4
3
2
1

Step 2: a) Z lives on the floor immediately above Y

b) W lives immediately above Z and immediately below V.

Floor	Person Case-I	Person Case-II	Person Case-III
6	V
5	W	V
4	Z	W	V
3	Y	Z	W
2		Y	Z
1			Y

Step 3): Only one person lives between U and V.

Floor	Person
6	U
5	X
4	V
3	W
2	Z
1	Y

According to the arrangement, Z lives on the second floor.

Hence, the correct answer is option A).