Number of literate people in the year 2010 is 4000. This number increases by 400 every year. How many literate people will exist in the year 2020?

Use the given letters to write the answer: There are a trees in the village Lat. If the number of trees increases by b every year, how many trees will there be after x years?

The population of a village is 1,20,000. If the population increases by 5% every year, what will it be after 3 years?

Solve the following problrms using two variables: Last years the total number of students in a school was 5000. This year, the number of boys increased by 5% and that of girls by 3% and the total number of of students increased by 202. How many boys and girls were there in the school last year?

In the following table number of saplinted in the years 2016 and 2017 in four towns is given. Show the data with the help of subdivided bar graph.

The number of bacteria in a culture doubles every hour. If there were 50 bacteria originally in a culture, how many bacteria will be there at the end of 5th hour?