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)
Anonymous User Best Answer
A There are n² total entries and all diagonal elements of skew Symmetric matrix are zero. n²−n nondiagonal entries so (n²−n)/2 entries above the diagonal.