Consider the following statements about science in medieval South India :<br>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.<br>2. Achyuta Pisharati (1550-1621) wrote Uparagakriyakrama, a text on eclipses.<br>3. Ravi Varma of Mahodayapuram set up an observatory and is also said to have inaugurated the Kollam era.<br>Which of the statements given above is/are <strong>correct</strong>?
- A. 1 and 3 only
- B. 3 only
- C. 1 and 2 only
- D. 1, 2 and 3 ✓
Correct Answer: D. 1, 2 and 3
Explanation
All three statements are correct. Kerala school scholars like Vararuchi, Achyuta Pisharati, and Ravi Varma Kulasekhara made significant contributions to mathematics and astronomy in medieval South India.
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