How to prepare for eLitmus pH Test? Tips & Suggestions?

Hundreds of students sit for the eLitmus pH test every year. Anyone here has taken the exam? Could you share your preparation strategy? What books you referred and how many hours did you study?

I checked the official website and found the following details about the test.

• Duration: 2 Hours
• Sections: 3 - Quantitative, Verbal and Analytical
• Each section has twenty questions making it a total of sixty questions.
• The maximum marks is 600.
• The questions in each section are multiple choice objective questions.

PS: I heard that pH stands for hiring potential. Whoa. That's new.

From what I understand from their site, the test evaluates the person's overall ability and not rote learnt 'knowledge'. Any formulae required are provided in the question itself.
Seems to be a good exercise.

Best books for eLitmus pH test prep:

Quantitative Aptitude for the CAT Common Admission Test - Arun Sharma
Logical Reasoning for the CAT Common Admission Test
How to Prepare for Verbal Ability and Reading Comprehension for CAT - Arun Sharma

Following are the expected percentile based on marks you get:
30 marks ~ 70 percentile
40 marks ~ 80 percentile
50 marks ~ 90 percentile
60 marks ~ 95+ percentile