Which of the following statements is/are correct ? 1. The Bakshali Manuscript written in the Gatha language (a refined version of old Prakrit) using the Sharada script deals with topics such as fractions, square roots, arithmetic and geometric progressions. 2. In the field of geometry, Aryabhatta described the various properties of a circle giving a very accurate value for pi (π) correct to four decimal places at 3·1416. 3. Sharangadhara Samhita is an important text on political system of ancient India. Select the correct answer using the code given below :