If $$1$$ is added to the greatest $$7$$-digit number, it will be equal to
Correct option is D. $$1$$ crore
Greatest $$7$$ - digit number $$= 99,99,999$$
Adding $$1$$ to this $$7$$- digit number, we get
$$99,99,999 + 1$$
$$= 1,00,00,000$$
We know that $$1,00,00,000$$ is read as $$1$$ Crore
$$\therefore$$ $$\textbf{Correct Option is D}$$