How to Disable Save,Print,Ctrl+S,Right Click options inside

hi , developers

am creating a website for online examination. now i need to display answer with detailed explanation pdf on my web page.

the page must be Disable Save,Print,Ctrl+S,Right Click options

i have done it well

but the problem i am facing the Actions working only outside of the iframe tag.but inside i frame tag the Right Click option is Enabling.

i am tried lots with google. but i did not got exact output

so i need to Disable Save,Print,Ctrl+S,Right Click options inside i frame tag also.

so if anyone know how to do it please suggest me to i am done this task

thanking you

Paul.S