Respuesta :
Answer: However, Indians made significant advances in architecture (Taj Mahal), mathematics (the invention of zero) and medicine (Ayurveda). Today, India is a very diverse country, with more than 1.2 billion people, according to the CIA World Factbook, making it the second most populous nation after China
Explanation: Hope this helps
Indians invented zero and the number system, one of the greatest innovations in history. The decimal system, the value of pi, algebra, trigonometry, calculus and many mathematical concepts were all born in India. I think this is the answer