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)
Dinesh khalmaniya 1
option A check this solution https://www.toppr.com/ask/question/a-current-of-12-ampere-is-passed-through-anelectrolytic-cell-containing-aqniso-solution-bothni-and/