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)
Gattu uday Best Answer
In Harmonic series there won't be common difference , because for every n ,partial sum value increases soo that we can't say exact common difference , but in Harmonic sequence common difference possible here for this problem we have to consider an nth partial sum then calculate the solution