Placement Papers - IBM

Yesterday, I was attended the IBM GBS off-campus drive. Basically 3 rounds in that recruitment. For each round 3 links are given for each round. First session is Apti round 18 series and 18 Apti questions all were not very difficult each question have to completed with in 2.15 mints and next round is business letter writing in this totally 22 questions are given, you have to complete in 20 mints time limit and third round is program executing input is given output is given, you have to write code to get that output.