D bible says with God all things are possible. My dear, there is time and season for everything. stay focus and have faith and believe dat one day all will be well.
My litle advice here is dat u shld take u case to the Lord (in prayers) 4 Him 2 give u/lead u in the right path.
For the aptitude tests - check the link below:
http://www.psychometric-success.com/ - dey have Numberical Reasonin, Abstract Reasonin, Verbal Reasonin, Mechanical Reasoning, Personality Test etc.
Good luck and all d best.