11. The Indian astronomer who calculated the value of pi and the circumference of the Earth was:
a) Aryabhata
b) Bhaskara
c) Brahmagupta
d) Varahamihira
12. The Indian emperor who wrote the famous book ‘Arthashastra’ was:
a) Chandragupta Maurya
b) Ashoka
c) Harsha
d) Samudragupta
13. The ancient Indian text ‘Kamasutra’ was written by:
a) Vatsyayana
b) Kalidasa
c) Panini
d) Valmiki
14. The Indian poet who wrote the famous epic ‘Ramayana’ was:
a) Valmiki
b) Kalidasa
c) Tulsidas
d) Surdas
15. The Indian emperor who was a patron of the arts and literature and had the famous ‘Sarnath Lion Capital’ erected was:
a) Ashoka
b) Chandragupta Maurya
c) Harsha
d) Samudragupta