Questions

The present population of Salyankot is 17496. The annual growth rate is 8%.

1. What was the population of Salyankot before 2 years?
2.  Find the population growth in two years. 
3. If 2504 people migrated in, then find the population of Salyankot after 2 years at the same annual growth rate.

The present population of Nagarkot is 48400. The annual growth rate is 10%.

1. What was the population of Nagarkot before 2 years?
2. Find the population growth in the last two years.
3. If 1600 people migrated in now, then find the population of Nagarkot after two years at the same annual growth rate. 
    

2 years ago, the population of a town was 120000. If the rate of growth of the population is 3% p.a.

1. What is the present population of the town?
2. Find the population of the town after 2 years. 
    

Two years ago, the population of a village was 15000 and the rate of population growth was 4% p.a.

1. What is the present population of the village? 
2. Find the population of the town after 2 years.

The population of a town in the year 2020 was 150000.

1. Find its population in the year 2023 if the annual compound growth rate of the population is 5% per year.
2. Find the increased population from 2020 to 2023.
3. Find the population of the town in the year 2018.

The population of a town in the year 2021 was 425000. 

1. Find its population in the year 2023 if the annual compound growth rate of the population is 4% per year.
2. Find the increased population from 2021 to 2023.
3. Find the population of the town in the year 2019 using same rate of population growth.

The population of a town increases at the rate of 5% per annum. The present population of the town is 67200.

1. What will be the population of the town after two years?
2. What will be the growth population after 2 years?
3. What was the population before 2 years at the same rate?
4. By what percentage is the population after 2 years more than the population before two years?

The present population of a town is 64000 and it increases at the rate of 5% per annum.

1. What will be the population of the town after two years?
2. What will be the increased population in 2 years?
3. What was the population before 2 years at the same rate?
4. By what percentage is the population after 2 years more than the population before two years? 

A survey of a community shows that 55% of the people like to listen to the radio, 65% like to watch the television, and 35% like to listen radio as well as to watch the television.

1. If the set of people in the community is U then write the cardinality of U in percentage.
2. Show the above information in a Venn-diagram.
3. Find the percentage of people who like either to listen to the radio or to watch the television.
4. Find the percentage of people who do not like to listen to the radio as well as to watch the television.

In a survey of 60 students, 30 drink milk, 25 drink curd, and 10 students drink milk as well as curd.

1. If the set of total students is U, then write the cardinality of U.
2. Draw a Venn diagram to illustrate the above information.
3. Find the number of students who drink either of them.
4. Find the number of students who drink neither of them.