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
first step is right but next step may be wrong
ans A not seems to be right according to this reference
answer key is wrong?
yes, sometimes ans key can be wrong.