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)
Anonymous User
an element of order 4 must be either a product of a 4 cycles and a 2 cycle or a product of a 4 cycle and two 1 cycles. ) × 3! = 90 elements of both type. Hence there are 180 elements of order 4 in S6.