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)
Suman Kumar
https://doubtnut.com/question-answer-chemistry/a-crystal-is-made-of-particles-a-and-b-from-fcc-packing-and-b-occupies-all-the-octahedral-voids-if-a-17241902 option A is correct