Q. Who among the following authors wrote "Ganitasara Samgraha"?
Answer: Mahaviracharya
Notes: Ganita Sara Sangraha (“Compendium of the Essence of Mathematics”) written by Mahavira ( or Mahaviracharya), a Jain  mathematician from Mysore. It was written during the reign of the Rashtrakuta dynasty ruler Amoghavarsha (800–878 AD). In  the 11th century, the book was translated into Telugu language by Pavuluri Mallana as Saar Sangraha Ganitam.

1