How representative are these math mini-tests compared to the real thing?

[cool_beans]

<p>On the bottom right you'll see ten mini-tests, each of which has ten problems. How similar are these to the actual tests (in terms of difficulty & type of problems?)</p>

<p><a href="http://www.takesat.com/problem.php%5B/url%5D"&gt;http://www.takesat.com/problem.php&lt;/a&gt;&lt;/p>

<p>Excellent practice too!</p>