51. Which river did Alexander cross to enter India?
A) Indus
B) Ganges
C) Brahmaputra
D) Beas
52. Which region of India did Alexander first conquer?
A) Punjab
B) Gujarat
C) Bihar
D) Tamil Nadu
53. What was the name of the Indian king who fought against Alexander at the Battle of Hydaspes?
A) Porus
B) Nanda
C) Chandragupta Maurya
D) Ashoka
54. What was the name of the Indian king who surrendered to Alexander without a fight?
A) Nanda
B) Porus
C) Chandragupta Maurya
D) Ashoka
55. What was the name of the Indian king who allied with Alexander and helped him in his conquest of India?
A) Nanda
B) Porus
C) Chandragupta Maurya
D) Taxiles