OA1 - Trapping rain water - ASCII string to nearest perfect square OA2 - decimal to hexadecimal and hexatrigesimal conversion and append to string - similar question, just find similar elements within the two TI1 - basic os, DBMS, oops - projects - find element in sorted nxn matrix - binary sum tree - square root of number without inbuilt function Directorate round - projects - SQL queries - alternate reverse linked list 2 variations - more on projects HR - About - SRTs