Question $1 .$
Give 3 examples where the number of things counted by you would be a 5 digit number or more. Solution:
1. Number of stars in the sky.
2. The number of people living in Tamilnadu.

3. The number of accidents in India in the year $2017 .$

Question 2 .
There are ten lakh people in a district. What would be the population of 10 such districts?
Solution:
Number of people in the district $=10,00,000$
$\therefore$ Population of 10 such districts $=10,00,000 \times 10=1,00,00,000$
Total population of 10 districts would be one crore.
10 lakh $=10,000$ Hundreds

Question 3 .
The Government spends rupees 2 crores for education in a particular district every month. What would be its expenditure for over 10 months?
Solution:
Expenditure for one month $=2$ crores,
Expenditure for ten months $=2,00,00,000 \times 10=20,00,00,000$
Expenditure for 10 months = twenty crores.