Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science) 
		 
			 
			 
			 
			 
			 
			 
			 
			 
			 15 points
 15 points >
>
	 
 
 
 
             
            

 
                
Anand![best-answer]() 
			
c is correct. Thing is there are singlet and triplet in nature. S=0 for singlet and s=1 for triplet.