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)
Chandra prakash
see attached file dear... I suggest you go through the concept.... and for solutions of this prob see attached file..... option is c dear
I hope you got it my point dear