I applied online. The process took 1 day. I interviewed at Klarna
Interview
Right after submitting my appliation I got am mail with a link to an abstract reasoning test. The test had a time limit of 15 mins and included 18 questions.
Interview questions [1]
Question 1
The test was not the most difficult from this type of testing, it mostly required to identify the pattern in the figures shown and answer various questions related to that (e.g. what figure would continue the sequence)