Infosys Software Engineer interview questions

first round tough,once you clear through second roound is direct hr round many chances for the pepole to clear the first round.. after the second round if you are selected you will be provided with the call letter

There was a puzzle round where I was given 10 puzzles to be solved in 30 minutes. I solved 9 of them and left one of them. Later on there was interview where the interviewer asked about why I didn't solve the 10th problem and some other new puzzles.