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)
Ruby negi
remember always read the question patiently ,this is important. here only u misunderstood the question, question is asking for choose incorrect one, so option d is incorrect.. do remember read ques properly.