IBM Developer interview questions

round 1 : online Aptitude round (60 min) - it contain 100 apt , logical and verbal question round 2 : telephonic technical round -various algorithms and data structure question 1)working code for in order , pre order and post order binery search tree 2)reverse linked list iterative 3)avl tree insert and search algo and complexity for all ques 4)many c++ ,java, OS, DBMS and networking concept