Ksolves Software Development Engineer (SDE) Intern interview questions

This company arrived on campus in my college . they took the test of around 330+ students and and selected around 130 for coding round and in coding round they gave 3 problems in which 3 questions are asked easy, medium difficulty ,then they checked each and every single person code physically after which 32 students are selected for interview process and from 32 they took only 12 students. it was quite difficult process , there are 2 tests and then 2 interviews , all for only 4lpa package and 2 years bond. I was rejected in interview and i don't even know why in all rounds i gave my best every question in answered by me .