Hexagon Interview Question

In the interview, they asked basic programming, general questions, and some SQL-based questions. 1) write a program to check the string has balanced parathesis. 2) write a program to rotate the square matrix at 90 degrees and 180 degrees. 3) write a program to check the password meets all categories? 4)write a program for fabinocii series. 5) questions on the OOPS concept 6) basic SQL query on GROUP BY command 7)divide the square into seven equal parts (general question)