21. In which vedic text, the term “Varna” is founded referred for the first time?
22. Upanishads are books on –
23.What is the Vedic name of river “Ravi”?
24.The Indus valley Civilisation developed during
25.The First metal used by man was
26.The images in the temple of Ankarvat are those of
27. In ancient India who was invented zero?
D.An unknown Indian in ancient Indian historic period
28.Who was the writter of Panchatantra?
29.Decimal system was introduced by
D.None of the above
30.Which one of the following indicates the correct chronological order of different eras in India?
A.Gupta Harsha Vikram Shaka
B.Vikram Shaka Gupta Harsha
C.Gupta Shaka Vikram Harsha
D.Vikram Harsha Gupta Shaka