The Gupta monarchs were famous for their gold coins. They also issued silver coins. However, coins made of copper, bronze or any other alloy metals are scarce. The abundance of gold coins from the Gupta era has led some scholars to regard this phenomenon as the 'rain of gold'. The Gupta gold coin is known as dinaras. The gold coins of the Gupta rulers are the extraordinary examples of artistic excellence.
Who among the following, propounded the theory of zero?
Aryabhatta is considered to be one of the mathematicians who changed the course of mathematics and astronomy to a great extent. He is known to have considerable influence on Arabic science world too, where he is referred to as Arjehir. His notable contributions to the world of science and mathematics includes the theory that the earth rotates on its axis, explanations of the solar and lunar eclipses, solving of quadratic equations, place value system with zero, and approximation of pie (π).
Harsha (c. 590–647 CE), also known as Harshavardhana, was an Indian emperor who ruled North India from 606 to 647 CE. He was a member of the Vardhana dynasty; and was the son of Prabhakarvardhana who defeated the Alchon Huna invaders, and the younger brother of Rajyavardhana, a king of Thanesar, present-day Haryana. The last Buddhist king who was a great Sanskrit scholar and a writer was Harshavardhana.
After the death of Harsha, a tripartite struggle ensued between the three contemporary powers for the supremacy of Kannauj. Which of the following was not a party in the struggle?