The interview was scheduled as a 15-minute HR screening, but it started immediately with a timed math/logic question without any prior notice. I was asked to use pen and paper and not allowed to use a computer, which added pressure given the limited time. There was no explanation of the format beforehand. The interviewer also mentioned that they would turn on their camera only after I completed the question. Since I was not able to finish it within the time, the interview ended shortly after, without any discussion about my background or experience. Overall, the process felt abrupt and somewhat unstructured. It would be helpful if the company could provide more clarity on the interview format in advance and allow more opportunity for two-way communication.