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)
Piyush pachauri
Since Both H & K are cyclic group of order 5,7 . Then H intersection K is of group of order 1. and o(HK) =35 generated by ab of order 35.