51. Which of the following rivers was not located in the Gupta Empire?
a) Ganges
b) Yamuna
c) Godavari
d) Krishna
52. Which of the following was not a key economic development during the Gupta period?
a) Increase in trade and commerce
b) Development of guilds
c) Introduction of paper currency
d) Growth of agriculture
53. Which of the following was not a key military achievement of the Gupta Empire?
a) Defeat of the Shakas
b) Conquest of Bengal
c) Conquest of the Deccan
d) Invasion of the Hunas
54. Who was the famous poet who lived during the Gupta period and wrote the Ritusamhara?
a) Kalidasa
b) Vatsyayana
c) Bana Bhatta
d) Sudraka
55. Which of the following was not a key administrative development during the Gupta period?
a) Establishment of provincial governors
b) Creation of a centralized bureaucracy
c) Development of a complex legal system
d) Introduction of the feudal system