Robert Bosch Senior Developer interview questions

I went around 10 but i was called only by 2. It was a written test round where we were placed in a conf room and asked to solve some basic java puzzles. they were quite easy however i was not selected even though the logic was correct. The reason they gave for not selecting was quite dissatisfying. I will not recommend if you are looking for jobs in java/j2ee since they call atleast 100 candidates and at the end of the day , i felt, just to finish the process they resort to ways like this to pick people.