Q. Which ancient Indian mathematician contributed to the invention of algebra?
Answer: None of the above
Notes: The term algebra derives from the Arabic book "Kitab al-Jabr" written by Muhammad ibn Musa al-Khwarizmi in the 9th century. He was a Persian mathematician born around 780 CE in Khwarazm, present-day Uzbekistan. Aryabhatta and Bhaskara made significant contributions to Indian mathematics but are not credited with inventing algebra.