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)
Ravi prakash yadav
see the attachment. Note- for this system,we will have three moment of inertia but in question only two principal moment of inertia have been asked.I have calculated all three and then after matching with the options,B is the correct one.