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)
Abhijeet Gaurav
You should select (D ) definitely as answer. As it says all are correct & if it is the answer then. But don't worry such situation won't arise because they say that Option A has Only A& B as correct. They Will use Only words for others They won't give such options . Otherwise everyone has to be answered. If they use Only word.