Which of the following rulers did NOT belong to Maurya dynasty?

Bimbisara

The correct answer is Option 4- Bimbisara

Bimbisara was the ruler of the Magadha kingdom, which was a predecessor to the Maurya Empire.

The other options are all rulers of the Maurya Empire. Chandragupta Maurya was the founder of the empire, Bindusara was his son and successor, and Ashoka was the grandson of Chandragupta and the third ruler of the empire.