Easy to place First round is a combination of aptitude and programming. Basic aptitude questions were asked. You can easily crack this round. From next round onwards, they will check your complete skill on programming. They asked one program first. It's your choice to write any program you want. After that, they asked some more difficult question if they satisfied based your first program. If you write the second question correctly means, they asked to modify the program in different ways. Here you are tested. I wrote all of them correctly. But, my HR expect efficient and fast thinking skill.