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)
Shanu arora
see it's given three quarters of a min there ,1 quarter is 15 ,so 3 quarter equals 45 .that's how 45 is coming rest calculation is easy.