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)
>


Nidhi taparia Best Answer
Option (3) is correct. Refer to the attachment. Although on calculation, the value comes out to be -1, in elasticity we usually only refer to the absolute value. Hence elasticity is unity in this case.