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
dear, please remember the method for finding the total Cv (or Cp) for combined gases.. also note that extensive quantities (eg:volume, no of moles,internal energy) are additive....