In which of the following languages did Amoghavarsha write Kavirajamarga?

Kannada

The correct answer is Option (3) - Kannada

Amoghavarsha wrote Kavirajamarga in the Kannada language. Kavirajamarga is an important literary work from the 9^th century, composed by the Rashtrakuta king Amoghavarsha I. It is considered the earliest available work on poetics in Kannada literature and provides valuable insights into the early development of Kannada language and literary traditions.