List of top Mathematics Questions on Circle Graph or Pie Chart

The following pie chart lists the details about the per cent production by seven different companies, namely, A, B, C, D, E, F and G. The total production for all companies is 1500 units. Further, it is known that: A. Companies A \& G are producing more than 500 units; B. Companies B \& F are producing less than 250 units; C. Companies C \& E account for 705 units; D. Companies D \& G are producing less than 200 units; E. Companies E, F \& G account for 545 units. Choose the correct answer from the options given below: 

Draw a pie chart showing the following information. The table shows the colours preferred by a group of people.
 
ColoursNumber of people
Blue18
Green9
Red6
Yellow3
Total36
The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions: 
pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science
  1. In which subject did the student score 105 marks? (Hint: for 540 marks, the central angle = 360°. So, for 105 marks, what is the central angle?) 
  2. How many more marks were obtained by the student in Mathematics than in Hindi? 
  3. Examine whether the sum of the marks obtained in Social Science and Mathematics is more than that in Science and Hindi. (Hint: Just study the central angles).
A group of \(360\) people were asked to vote for their favourite season from the three seasons rainy, winter and summer. 
  1. Which season got the most votes? 
  2. Find the central angle of each sector. 
  3. Draw a pie chart to show this information.
SeasonNumber of votes
Summer90
Rainy120
Winter150


 

The number of students in a hostel, speaking different languages is given below. Display the data in a pie chart.
 
LanguageHindiEnglishMarathiTamilBengaliTotal
Number of students401297472
A survey was made to find the type of music that a certain group of young people liked in a city. Adjoining pie chart shows the findings of this survey.
findings of the survey on the music that a certain young group of people liked
From this pie chart answer the following: 
  1. If 20 people liked classical music, how many young people were surveyed? 
  2. Which type of music is liked by the maximum number of people? 
  3. If a cassette company were to make 1000 CD’s, how many of each type would they make?