Cognizant Test Engineer interview questions

1st round was online written test in which 3 parts quantitative aptitude,logical resoning, english grammer 2nd round was technical interview round 3rd was HR interview round and then they declare result of final selected candidates. then they send offer later

The interview is good with moderate level questions . The duration of interview is around 30 minutes and the interviewer is quiet frindly guy. he used to give plenty of time to answer the question and also he used to give one more chance if the answer is wrong