Restore Permission on Home directory

This Post I am taking from askubuntu , not answered by me but posting in my blog so that it can help others in future.

http://askubuntu.com/questions/567599/emsudo-chmod-x-caused-me-cannot-open-anything

Note: This is the way like doing as undoing what you have done.

sudo chmod -x * -R

find . -type d

You will get an error like below 

find: 'xxxxx': Permission denied 

then do as

find . -type d -exec chmod +x {} \;