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                   240 Points
                   Joined March 2009
                
               
			  
			  
             
            
             
	In my opinion, its really helpful.. Because even if u dont have those 15 min, then u will spend a few minutes to read the paper.. 
	It means that u save those minutes...
	U can relax and decide first couple of questions to be done..
	Also have some idea about those questions, which will enable u to complete them in reasonable time.. 
	Thus having sufficient time for remaining questions, thereby boosting ur confidence.