Question

Consider the following developments associated with

knowledge of science in ancient period : 1. Decimal number system 2. Formula/calculation of the circumference of circle. 3. Rotation of the earth on its axis resulting in the day and night. 4. A scientific explanation for eclipses. Of these, the scientific developments associated with the renowned mathematician and astronomer, Aryabhata are -

A 1, 2 and 3 only

B 1, 2 and 4 only

C 2, 3 and 4 only

D 1, 2, 3 and 4

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