Cognizant Software Engineer interview questions

1st Round Aptitude Round (AMCAT) Easy questions of work & time , Train,Speed,Time,Ratio,percentage,basic c questions of output 2nd Round Interview Round Question were based on your resume , basic c code like factorial,fibonacci,sorting,Gcd Dbms queries. Interviewer was very polite and helpful. He supported everytime 3rd Round HR round They asked about why Cognizant, Have any problem in reallocation etc.

Three rounds of technical interview. First was written test and two face to face technical round. I cleared all the rounds. This happened a month ago and still waiting for my offer letter to be dispatched from company.