at the 3-storey building or in the 3-storey building.

[Kamshing]

1) They stood at the veranda at 2nd floor at the 3-storey building.

2) They stood at the veranda at 2nd floor in the 3-storey building.

Dear teachers, please teach me which sentence is correct. At the 3-storey building or in the 3-storey building.

Thank you.

 

[J&K Tutoring]

Neither correct. There would not be a veranda on a second floor. There are also problems with your prepositions.

 

[Tdol]

How about:

They stood on the balcony on the 2nd floor of the 3-storey building.

 

[bhaisahab]

"They stood on the balcony/terrace on the 2nd floor of the 3-storey building."

 

[emsr2d2]

You could also use "They stood on the balcony of the second floor of the three-storey building.

 

[MikeNewYork]

It is "story" in AmE.

 

[J&K Tutoring]

Context is important here. The building might have more than one balcony on the second floor, so we would have to start with a balcony/terrace. A building will have only one second floor, so the is correct there, but again, we have no basis for understanding which 3-story building we mean, so back to a three story building:

We stand on a balcony.
A balcony is of a building unit.
A building unit is on a certain storey (or story, or floor).

They stood on a balcony on the 2nd floor of a 3-storey building.

 

[Kamshing]

Dear teachers,

balcony is best described here and not veranda. Thank you for correcting this word for me.