Refresher

http://www.pbteched.net/Refresher/aptitude.pdf

How to prepare for your Aptitude tests

http://www.psychometricinstitute.com.au/aptitude_tests_guide.html

Lofoya

http://www.lofoya.com/

Why are Aptitude Assessments used

https://www.savilleconsulting.com/products/aptitude-preparation-guides-and-advice

Achievers

http://www.achieversforce.com/

Test

http://www.aptitude-test.com/

Quantitative Aptitude Shortcut Tricks

http://www.gr8ambitionz.com/2012/09/quantitative-aptitude-shortcut-tricks.html

Quantitative Aptitude Questions and Answers with Explanation

http://www.careerbless.com/aptitude/qa/home.php

Numerical Aptitude Tests

http://www.theonlinetestcentre.com/numerical-tests.html