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)
Eduncle Best Answer
A, AB __________ ABBABAAB
If you see the sequence then it is ABBA BAAB ABBA and it will continue
So the missing sequence is A, AB ABBA
So option (3) is correct.