How many people live between the floors on which Tina stay and the one having an income of 3500?

Here * means that person did not stay on that floor. Anika can stay on 4, 6, 8 and Tom can stay on 4 or 6. As two people stay between the person having income of 4000 and 2500 and Anika is having income of 2500 so table will be From the given data Moni cannot stay  on floor 7 or 6 because it otherwise violate the relation between Moni and Tina so Tina will stay on ground floor and as three person stay between Moni and Tanuj and one person between Tanuj and Rudra  so the table will be as follow Tina stays immediately above Dhruv and Tom stays on even number floor below Anika and do not have 3500 as income and Sam will stay on the remaining floor so the table will be as follow