The age group of the number of persons in the age group who donated blood is given below. Find the measures of the centerl angles to show the information by a pie diagram.

The following table shows the percentage of vehicles passing a signal. Find out the measures of the central angles to show the information by a pie diagram. Hence draw the pie diagram.

In a bicycle shop, number of bicycles purchased and choice of their colours was as follows. Find the measures of sectors of a circle to show the information by a pie diagram.

The age group and number of persons , who donated blood in a blood donation camp is given below . Draw a pie diagram from it .

The ages of 40 students of a group are given below : Find their mean

The age group and numbe of persons, who denoted blood in a blood donation camp is given below. Draw a pie diagram from it.

Number of persons in various age groups in a town is given in the following table: Which two age groups have same population ?

The following table shows the number of illitrate persons in the age group (10-58 Years) in a town. Represents the given data by means of a histogram.

The below histogram shows the number of literate females in the age group of 10 to 40 years in a town. What is the classes width?

The below histogram shows the number of literate females in the age group of 10 to 40 years in a town. In which age group are literate females the least?