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By using the given conditions, O lives in an even numbered floor but above 4th floor. From this there can be two possible cases. T doesn’t like Woodland and Relaxo. From this case-2 will be eliminated. Further E likes Bata and lives at one of the floor above W. So, E can live on 5th floor only. P likes Liberty. So, P lives on ground floor and W lives on 2nd floor. The person who likes Relaxo and RED CHIEF doesn’t live at the lowermost floor. So, O likes Relaxo. S does not like Adidas. So, T likes RED CHIEF and F lives on 7th floor. So, the final arrangement is----        Â
5Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 14Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â...
35 36 68 207 836 4205
...640 320 160 ? 40 20
13 182 303 384 433 ?
...157, 159, 189, 319, ‘?’, 1 407 , 2749 Â
7, 14, 42, 210, 1470, ?
123   125   129   132   ?   145
10, 22, 46, ?, 130, 190
462 478 510 558 ?
...8 9 22 75 316 ?
...