Answer: Option [A]Hiuen Tsang was the Chinese traveler who visited India in Ancient Times between AD 627-643. He visited India during the reign of Harshavardhana who came to admire him for his deep devotion towards Buddhism.
Answer: Option [D]Dhanwantari was a physician of Ayurveda in King Vikramaditya's court.
Dhanvantari is the Hindu god of medicine and an incarnation of Lord Vishnu. He is mentioned in the Puranas as the god of Ayurveda
Answer: Option [B]The Achievements of Samudragupta are described in the Allahabad pillar inscription. The Allahabad Pillar Inscription written by Harisena. As per the inscription, Samudra Gupta was a powerful conqueror who won many big wars from north India to south India.
Answer: Option [C]Samudragupta was an expert ‘Veena’ player. He was not only a great warrior but also a great patron of art and literature.
Answer: Option [D]Algebra was invented by Aryabhatta. He took mathematics as a separate subject in itself. But most people now consider Muhammad ibn Musa al-Khwarizmi to be the father of algebra. He was a Muslim mathematician of the 9th century who authored a work called "Kitab al-Jabr", from which the word algebra is derived.