Next Novity Web Designer interview questions

Guys if u learn 1 program it's enough the first round was program executing round and they will give a program to print from 1 2 3 4 5 6 7 8 9 10 9 8 7 6 5 4 3 2 1 using 1 or 2 variable and the second round was technical interview which is very easy and the final round is HR interview fmif u pass first round pakka u will get placed