Question
Who lives in Flat – Z of floor –
2? Answer the questions based on the information given below. Eight persons A, B, G, C, D, E, F and H are living in a building having four floors where ground floor is numbered as 1, the floor above it is numbered as 2 and so on till the topmost floor which is numbered as 4. Each floor is having two types of flats i.e. Flat – Y and Flat – Z such that flat – Y of floor – 2 is exactly above the flat – Y of floor – 1 and exactly below the flat – Y of floor – 3 and so on. Similarly, flat – Z of floor – 2 is exactly above the flat – Z of floor – 1 and exactly below the flat – Z of floor – 3 and so on. Also, Flat – Z is to the east of Flat – Y. There is one floor between B’s and C’s floor. G lives just below E’s flat such that both live in the same type of flat. F and H live in the same type of flat such that F lives just above H’s floor and lives immediate west of B. D does not live in flat which is adjacent to F’s flat. C lives on a floor above B. B and C live in different types of flats.Solution
G lives just below E’s flat such that both live in the same type of flat. F and H live in the same type of flat such that F lives just above H’s floor and lives immediate west of B. D does not live in flat which is adjacent to F’s flat. 4. C lives on a floor above B. So, B must live in flat – Z of floor – 2 as F lives immediate west of B and F lives above the floor on which H lives, which means C lives on topmost floor in flat – Y. Now, E and G lives in same flat and G live below E which means G must live on floor – 3 in flat – Z and E lives on 4th floor in flat – Z. Now, D and F do not live in same flat which means D must live on ground floor in flat –Z so, H must live on ground floor in flat – Y. The final arrangement is as follows: 
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