List of top Mathematics Questions on Series asked in Karnataka PGCET

A person has 2 parents, 4 grandparents, 8 great grandparents and so on. What is the number of his ancestors during the $5^{\text{th}}$ generation preceding his own?

Sangeetha was facing north-west direction. If she was playing carrom with Sudha in the standard seating pattern, in which direction was Sudha facing?