OPTUM Interview Exp

1. DSA: Reverse string from middle abcdef->cbafed
2. Swap 2 variables without using 3rd variable
3. SQL Query: Maximum Salary
4. SQL Query: Second Maximum Salary
5. Difference between postorder and preorder
6. What is constructor and how would you define a constructor?
7. diff betweeb c andc++
8. real life examples of stacks and queues
9. Is polymorphism possible in C
10. Python : what are decoraters
11. Python : Name Key words in python
12. Python : Is python scripting lang. or programming
13. Python : Self in python
14. Python : what iz the use of Zip
15. Sql : difference bebtween delete and truncate
16. Sql : how would you delete duplicates in sql
17. Sql : Types Of joins
18. Sql : difference between char and var_char
19. C++ : output for a=1;a=++(a++);cout«++a;

HR Questions:

1. Why do u wanna join optum?
2. How do u see urself in optum after 5 years?
3. what does optum do?

Special question

Are you biologically buoy or gal ?