The correct option is B ten million
In International numeral system,
10 lakh = 1 million
⇒ 1,000,000 is a million (i.e. one followed by six zeroes)
Given number is 10,000,000 i.e. one followed by seven zeroes.
So 10,000,000 = 10 million
(while in the Indian system it is 1 crore)