Question

3) The concept of is one of India's major contributions
to the world.​

Answer 1

Explanation:

Although Babylonians used zero to signify the 'absent', Indians were the first to use the zero as a symbol and in arithmetic operations.

Indians were the first ones to use and invent buttons

Ornamental buttons made from seashell were used in the Indus Valley Civilization by 2000 BCE. Some buttons were carved into geometric shapes and had holes pierced into them.

Answer 2

Answer:

India gave the world the numeral, Zero

Although Babylonians used zero to signify the 'absent', Indians were the first to use the zero as a symbol and in arithmetic operations.