Preparation for Aptitude Tests in Companies

How to preparation for Aptitude Tests in Companies, please provide here some tips & topics for Aptitude Tests???

[Raman Vij]

Aptitude Tests has following topics & sections;

Numbers
Ratio, Proportion, Variation
Averages,Mixtures and Alligation
Time,Speed and Distance
Time and Work
Percentages
Profit and Loss
Simple and Compound Interest
Fractions
Partnership
Progression
Permutation and Combination
Probability
Geometry and Mensuration
Simplification
Boats and Streams
Surds and Indices
Number System
Sets and Union
Logarithm

Grammer Concepts
Error Correction
Antonym
Synonym
Analogies
Comprehension
Fill in the blanks
Idioms-Phrases

Here are some tips to prepare for Aptitude Test:

Know very well what you are preparing for and concentrate on it specifically
Give time to all questions
Solve questions step by step
Solve previous papers
Take good books