From (i), (ii) and (iv), we will get the basic information as shown below: 
From (i), A lives on floor no. 3. From (iv), G cannot live on floor no. 4 and 2. So, G lives on floor no. 6. From (v), we will have two cases: D lives either on floor no. 1 or 7. From (ii), F lives on floor no. 2 and B lives on floor no. 4. The one who likes Classmate lives on floor no. 6. From (iii), The one who likes Pilot and Montblanc live on floor no. 5 and 1 respectively. From (iv), C lives on floor no. 7. Case 2 will get discarded as C does not like neither Pilot nor Montblanc. 
From (iii) and (vi), the persons who like Nataraj lives on floor no. 4. The person who likes Apsara lives on floor no. 5. From (i), the person who likes Staedtler lives on floor no. 7. From (v), the one who likes Faber castell and Doms live on floor no. 6 and 3 respectively. Only pencil left for floor no. 2 is Camlin. From (v), The person who likes Linc and Pelikan lives on floor no. 3 and 2 respectively. Only pen left for floor no. 7 is Parker. Final arrangement as shown below: 
Why did that officer neglect his duties?
Sheena said to her,” Who are you and where are you coming from?”
A little boy
P- and said that they were
Q- came begging
R- starving at home
Select the most appropriate ANTONYM of the given word.
Liability
The old man has been cheated by the seller.
That book contains many interesting stories.
I wanted to visit the art museum , but it was closed for maintenance unless next month.
Feelings of guilt or regret
The lovely main
P- bars and restaurants.
Q- coffee houses,
R- street is packed with
1) Pictureque
2) Costomary
3) Descendant
4) Benovolent
