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S, T, U, V, Y and Z live on six 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, which is numbered 6. Only T lives above S. Y lives immediately below S. Only U lives below Z. Who lives on floor number 3?
V
U
S
Z Question ID : 4410091432336 Option 1 ID : 4410095657675 Option 2 ID : 4410095657674 Option 3 ID : 4410095657673 Option 4 ID : 4410095657676 Status : Answered Chosen Option : A
V
Map the fixed constraints first: T is on 5, S on 4, Y on 3, and Z/U on 2/1. V is the only one left for the remaining floor.
Map the fixed constraints first: T is on 5, S on 4, Y on 3, and Z/U on 2/1. V is the only one left for the remaining floor.
Establish floor constraints
Total floors: 6. Constraint 1: Only T lives above S means T is 6 and S is 5? No, 'Only T lives above S' means T is on top (6) and S is immediately below him (5).
Fill remaining positions
Constraint 2: Y lives immediately below S, so Y is on floor 4. Constraint 3: Only U lives below Z. This means Z and U must occupy the lowest floors, 2 and 1 respectively (Z on 2, U on 1).
Final placement
Floors are: 6-T, 5-S, 4-Y, 3-V (the only one left), 2-Z, 1-U. Thus, V is on floor 3.
B: U lives on floor 1, not 3. C: S lives on floor 5, not 3. D: Z lives on floor 2, not 3.
A is correct because by placing T on 6, S on 5, and Y on 4, and assigning U to 1 and Z to 2 (based on 'only U below Z'), V must occupy floor 3.
When a puzzle says 'Only X lives above Y', it locks two positions instantly; always process absolute constraints before relative ones.
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