Nalanda University is located in Nalanda district. It was one of the most prominent Buddhist centers of learning in ancient India, established in the 5th century CE.

Bihar was separated from Bengal in 1911 when it became a separate province with Patna as its capital under British rule.

According to the 2011 Census, Bihar has a literacy rate of 47.53%, which is one of the lowest among Indian states.

Rice is the main agricultural product of Bihar due to the fertile Gangetic plains and adequate water supply from rivers like the Ganges and Kosi.

Total yield = 50 acres × 60 quintals/acre = 3000 quintals. Converting to metric tons: 3000 quintals ÷ 10 = 300 metric tons (1 metric ton = 10 quintals).

Nalanda University was located in Nalanda district of Bihar. It was founded in the 5th century CE and was one of the most prestigious centers of learning in ancient India, attracting scholars from across Asia.

Hindi is the official language of Bihar. While several other languages like Maithili, Magahi, and Angika are spoken in different regions of Bihar, Hindi remains the primary official language for administration and education.

The Suez Canal connects the Red Sea to the Mediterranean Sea, providing a crucial shipping route between Europe and Asia. This is an important international trade route with significant global implications.

Farmers using modern techniques = 180. Total farmers = 500. Percentage = (180 ÷ 500) × 100 = 0.36 × 100 = 36%.

The Kosi River is a major tributary of the Ganga that flows through Bihar. It is often called the 'Sorrow of Bihar' due to its devastating floods.