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)
Jeevesh magnani Best Answer
for JAM we have to remember the formulae of velocity of sound in gas(mentioned in attachment) and values of adiabatic index for monoatomic and diatomic molecules. please see the attachment for details.