The cache is not located at the published coordinates, you will get the final coordinates from GeoCheck.
This is the bonus cache for the Adventure Lab Art and architecture at KTH.
To get the coordinates you need to visit all five locations in the Adventure Lab and answer the questions. For each location you will be given a number and if you enter the sum of these numbers, AAA+BBB+CC+DDD+EEEE, in CoordMaker you will get coordinates to use in GeoCheck.
Check your solution: 
Check your coordinates: 