Nem  Singh <br/><br/>
Reasoning & Aptitude 2013  Theory And Problems With Explanations 

 - 6th 
 - NULL  Made Easy  2011 
 - 375 p. 
<br/><br/> Under Staircase 
<br/><br/><label>ISBN: </label>978-93-81069-52-3 
<br/><br/><label>Dewey Class. No.: </label>378.1662  / Si647r