Question
Who lives to the East of the one who likes
Orange? Study the following information carefully to answer the given questions: There are nine persons i.e. A, B, C, D, E, F, G, H and I who lives in a building having Three floors such that ground floor is numbered as 1 and above it is 2 and so on up to top floor numbered as 3. Each of the floors consist of 3 flats as flat-1, flat-2 and flat-3. Flat-1 of floor-2 is immediately above flat-1 of floor-1 and immediately below flat-1 of floor-3 and in the same way flat-2 of floor-2 is immediately above flat-2 of floor-1 and immediately below flat-2 of floor-3 and so on. Flat-2 is in east of flat-1 and flat-3 is in east of flat-2.Each of them likes different colours i.e. Red, Yellow, White, Black, Blue, Pink, Green, Grey and Orange. Note: If A lives above (or below) B, then there are living in same flat unless stated otherwise. Number of Flats towards west of E is equal to the number of flats towards east of G, but in different floors. I who likes Green lives to the immediate west of C who likes Yellow and lives in Flat-3 of Floor-1. F does not live on Floor-2 but lives to the East of the one who likes Red who does not live in an even numbered flat. E and A lives in the same flat which is Flat-3. B lives northwest of D. The one who likes Pink doesn’t live in topmost floor. The one who likes Blue colour and D lives in the same flat. H does not like Red and lives one of the extreme west flat. The one who likes Orange lives to the immediate west of the one who likes Grey and E likes White. Persons like Orange colour and Black colour lives in the same flat and H does not like Black colour.Solution
I who likes Green lives to the immediate west of C who likes Yellow and lives in Flat-3 of Floor-1. E and A lives in the same flat which is Flat-3. Note: Here we get one more case. 
Number of Flats towards west of E is equal to the number of flats towards east of G, but in different floors. Note: Here we get one more possibility from each case. Thus 4 we have total cases 
F does not live on Floor-2 but lives to the East of the one who likes Red who does not live in an even numbered flat. H does not like Red and lives one of the extreme west flat. Note: F must live on Flat-2 of Floor-3 (only possibility in all cases). Also we get only possibility for H in each case, except case-2 
The one who likes Blue colour and D lives in the same flat. B lives northwest of D Note: Case-2 gets rejected since B lives northwest of D is not possible 
The one who likes Orange lives to the immediate west of the one who likes Grey and E likes White. Persons like Orange colour and Black colour lives in the same flat and H does not like Black colour. The one who likes Pink doesn’t live in topmost floor Note: E likes White as given. Finally A likes Pink in case-1-A Case-1 gets rejected since H doesn’t like Black Case-2-A gets rejected since the one who likes Pink doesn’t live in topmost floor Final arrangement 
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