HCLTech Software Developer Fresher interview questions

I got a call for interview a day after I'm applying. And the interview is on the next day which mean I do not have time to make enough preparation. But i still consider to come. I come at 2 and see a notice about it is an walk in interview. Yes. So many candidates coming for the interview. I thought HCL had shortlisted the candidates for the interview but not. Everyone need to sit for a test for 45 minutes, there are 30 questions to be answered. Need to do it super fast as the time is short. Next is waiting for face to face interview. Question asked more about myself, project had been done, what did i know about it industries and many more. Tips that can be shared about the interview is to familiarized yourself with problem solving skills questions and also involving mathematics such as probability