Went for an interview 2day bad news hmmmm?

ok it is for a big company they tend to employ new people all the time as people come and go all the time.the interview had 2 males and i had to answer 16 different ques (what would you do in this situation ques also think of a time you had to do this?) there was 2 diff questions i really found difficult and i searched and searched for an answer i just couldnt get came to the end of my interview they asked me what hours i would prefer and took my references and said they are quite quick in processing and i would hear from the in 7 days do you think i havent got it cause i missed a couple of ques???