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)
Anshum Sharma
I think there is a mistake in Feedback resistor . If we put 3R on it then we get the output voltage ( 12V) which is right one like in options. But for this value ( 2R) the correct answer is 9V. see the attached image