UNOPS interview questions

Applied online. After the job posting is closed for a few days, HR emailed me to take a written assessment which takes place 1 week after. The time and date for the test is set for fairness to every candidate. The test has 1 hour time limit. The test includes knowledge on excel, accounting and writing part. It's related to the job applied. Exactly 3 weeks after the test, I got a rejection email.