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)
Satpal singh
refer this video for que 1. option c is right for que 1 https://youtu.be/G6lYSI3T3PU I think your second question is wrong. bcoz there is no phi in the question.