How many powerful Mahajanapadas existed in ancient India?

16

The correct answer is Option 4- 16

There were 16 powerful Mahajanapadas in ancient India.

The Mahajanapadas were large and powerful kingdoms that emerged in India during the 6th to 4th centuries BCE. They were located in the northern and eastern parts of India, and played a significant role in shaping India's political landscape during that time.

The 16 Mahajanapadas were ancient Indian kingdoms or republics that existed during the 6th to 4th centuries BCE. They were:

Kasi
Kosala
Anga
Magadha
Vajji (or Vriji)
Malla
Chedi
Vatsa (or Vamsa)
Kuru
Panchala
Matsya
Surasena
Assaka
Avanti
Gandhara
Kamboja