Aptitude Models

* Numbers   

* Highest Common Factor   

* Least Common Factor    

* Average    

* Problems on Ages  

* Problems on Trains    

* Time and Distance   

* Time and Work  

* Simple Interest  

* Compound Interest  

* Ratios and Proportion   

* Profit and Loss  

* Problems on Partnership  

* Problems on Logarithms 

* Permutations and Combinations 

* Probability

* Problems on Clocks