Crossover for Work Project Manager interview questions

First I had an IQ paper to sit which was an automated exam. Results were shared immediately. The process was very streamlined and easy to handle. The paper was tough. Next was the interview

So you jump through their hoops CCAT English language Attention test Real life test (whatever it was) And finally an interview. All thankfully was essentially easy for me, got an offer, a week later offer withdrawn. Explanation? We can't tell you to keep the integrity of our recruitment process