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)
Parvez
you have to study data interpretation only in tabular form. you should use this formula to find out percentage increase or decrease. initial value subtracted from current value divided by initial value multiplied by hundred.