Consider the following statements about science in medieval South India: 1. The Katapayadi system of numerals, which was invented by Vararuchi of Kerala, the author of Chandra Vakyas, was used for calculating the position of Moon on any day of the year. 2

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Q: 68 (CDS-II/2023)
Consider the following statements about science in medieval South India:
1. The Katapayadi system of numerals, which was invented by Vararuchi of Kerala, the author of Chandra Vakyas, was used for calculating the position of Moon on any day of the year.
2. Achyuta Pisharati (1550 – 1621) wrote Uparagakriyakrama, a text on eclipses.
3. Ravi Varma of Mahodayapuram set up an observatory and is also said to have inaugurated the Kollam era.
Which of the statements given above is/are correct?

question_subject: 

Science & Technology

question_exam: 

CDS-II