LumenData Java Developer interview questions

I was shortlisted to this company in college and had final round at company, but when we gone there we had 2 more technical rounds in company and one manager round.

First round is Quantitative aptitude, second round is face to face technical round, third round is the practical assignment round and this round can only be given after you qualify for all the above mentioned rounds, ta da will be given for participants coming for the last round