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)
Neeraj bangruwa
NAND can not be right answer if you put NAND gate you will not get given truth table and you can watch my video on you tube of electronics just search my name on YouTube Neeraj Bangruwa