URL Rewriting doesn't rewrite automatically

Question

I have this simple redirection on my website and it does not rewrite my url automatically, I have to type manual other URL to access it, what could be the problem, do I need

Answer 1

I have the following link

www.preparationweb.com/Aptitude/Discussion/index.php?qid=26

I like it to appear it as

www.preparationweb.com/Aptitude/Discussion/26

Can you please provide me the code to be placed in .htaccess file according to the provided link. I have a godaddy hosting.