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    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 Correct Answer Incorrect Answer
    B 1, 2 and 4 only Correct Answer Incorrect Answer
    C 2, 3 and 4 only Correct Answer Incorrect Answer
    D 1, 2, 3 and 4 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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