Question
Four of the following five are alike in a certain way
based on the given arrangement and thus form a group. Which is the one that does not belong to that group? Study the following information carefully and answer the question given below: There are eight people I, J, K, L, X, Y, Z and A are living in a 8 floor Building on different floors from top to bottom (such as ground floor is numbered as 1 and top floor is numbered as 8) but not necessarily in the same order. I lives on an even-numbered floor but not on the floor numbered second or fourth. Only three floors are there between I and J. Only two people live between K and X. Y lives on a floor above L. There are equal numbers of floors between the floors on which X and J live and between the floors on which I and X live. A lives immediately below L’s floor. Z lives immediately below I’s floor.Solution
1. I lives on an even-numbered floor but not on the floor numbered second or fourth. 2. Only three floors are there between I and J. 
3. There are equal numbers of floors between the floors on which X and J live and between the floors on which I and X live. 4. Only two people live between K and X. 
5. Y lives on i floor above L. 6. A lives immediately below L’s floor. 7. Z lives immediately below I’s floor 
There is no flat empty for A and L in CASE2A soCASE2A is cancelled out.Y lives on a floor below L in CASE2B so CASE2B is cancelled out. Final arrangement: 
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