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)
Eduncle Best Answer
The percentage of students who answer test items correctly in a test is called difficulty level of an item. In other words, the difficulty level of item is defined as the proportion or percentage of the examinees or individuals who answered the items correctly.