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)
Anuj s.
https://youtu.be/b_sU9eav_E4 plz go through this video you can solve your doubts of infinity (but not is terms of sequence) but this will help you