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The Indian notational system eased counting the world over. It was known

The Indian notational system eased counting the world over. It was known

Q. The Indian notational system eased counting the world over. It was known

1. In China by 718

2. In South-East Asia by 7th c

3. In the Islamic world by 825

4. In the Western world by the 12th

Select the code for correct statements

(a) 1 & 2

(b) 2 & 4

(c) 1, 3 & 4

(d) All the above

Ans: (d) All the above

Explanation: The correct answer is (d) All the above.

All the given statements are correct:

  1. The Indian notational system, which refers to the decimal numeral system with place value, was known in China by 718. The Indian numerals and the concept of zero were introduced to China during this time.
  2. The Indian notational system was known in South-East Asia by the 7th century. The Indian numeral system spread to various parts of South-East Asia, including present-day Indonesia, Thailand, and Cambodia.
  3. The Indian notational system was known in the Islamic world by 825. The Arabic mathematician Al-Khwarizmi introduced Indian numerals and the decimal system to the Islamic world, which had a significant impact on mathematics and science in the Islamic Golden Age.
  4. The Indian notational system was known in the Western world by the 12th century. It was introduced to Europe through the works of scholars like Fibonacci and became widely adopted, replacing the earlier Roman numeral system.

Therefore, all the statements are correct, and the correct code is (d) All the above.

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