Convert large numbers between words and numerals, covering crores and lakhs.

here are the answers for the Number System worksheet:

A. Write the following in words:

1. $\boxed{\text{Eight crore twenty-five lakh thirty-six thousand six hundred eighteen}}$
2. $\boxed{\text{Twenty-eight crore twenty-five lakh sixty-eight thousand seven hundred twenty-five}}$
3. $\boxed{\text{Forty-six crore thirty-nine lakh eighty-eight thousand six hundred eighty-eight}}$
4. $\boxed{\text{Eighty-four crore eighty-one lakh fifteen thousand six hundred thirty-two}}$
5. $\boxed{\text{Forty-eight crore twenty lakh thirty thousand four hundred}}$
6. $\boxed{\text{Eighty-five crore sixty-four lakh seventy-six thousand three hundred twenty-eight}}$
7. $\boxed{\text{Eight crore ten}}$
8. $\boxed{\text{Twenty-five crore fifty lakh twenty thousand three hundred twelve}}$
9. $\boxed{\text{Forty-five crore twelve thousand twenty-five}}$
10. $\boxed{\text{Eight crore fifty-two lakh six thousand two}}$

B. Write the following in numerals:

1. Ninety three crore forty lakh fifteen thousand three hundred eleven. $$\boxed{93,40,15,311}$$
2. Sixteen crore twenty one lakh seventeen thousand one hundred ninety three. $$\boxed{16,21,17,193}$$
3. Five crore seventy two lakh five thousand five hundred ten. $$\boxed{5,72,05,510}$$
4. Eight crore thirty five. $$\boxed{8,00,00,035}$$
5. Eleven crore seventy five lakh ten. $$\boxed{11,75,00,010}$$
6. Twelve crore seventy five lakh four thousand three hundred eighty four. $$\boxed{12,75,04,384}$$
7. Twenty crore eighty six lakh thirty thousand five hundred forty two. $$\boxed{20,86,30,542}$$
8. Forty two crore four thousand twenty seven. $$\boxed{42,00,04,027}$$
9. Twenty four crore forty lakhs fifty one thousand two hundred eighty four. $$\boxed{24,40,51,284}$$
10. Eighty crore eight. $$\boxed{80,00,00,008}$$