explanations for answers

last time i posted a project . but nt able to pick any 1 .. due to insufficient time of completion .. this tim i have only 7hrs.. and the work is :- I have attached u a paper .. which have answers too and i need explanations to those answers .. there are just 13 questions !! whoever ready to solve it will be given many oppurtunities in coming projects . "max bid is 10$". bidders listen u need to solve it within few hours and money will be paid immediatly after complete solution .