Pergunta de entrevista da empresa Dolat Capital

Deletion in a doubly linked list? How you can implement a stack using a queue ? Add the two strings that represents a number? Can perform any operations on to the string like reversing , or swapping except any deletion , tell weather it is a palindrome or not ?L Longest Substring in a string consisting of the same character and return the length as well as that character ? CPU scheduling ? Basic SQL queries?