# Tips and Tricks and Shortcuts for Pie Charts- Data Interpretation ## Pie Chart Tips and Tricks and Shortcuts

• The main use of a pie chart is to show comparison.
• When items are presented on a pie chart, you can easily see which item is the most popular and which is the least popular.
Various applications of pie charts can be found in business, school, and at home. For business, pie charts can be used to show the success or failure of certain products or services. They can also be used to show market reach of a business compared to similar businesses.

### Tips and Tricks and Shortcuts for Pie Chart in DI

#### DIRECTIONS for questions 1-3:

Refer to the pie chart given below and answer the questions that follow.
The given pie chart shows the marks scored by a student in different subjects- English, Hindi, Mathematics, Science and Social Science in an examination. The values given are in degrees.
Assumption: Total marks obtained in the examination are 900. ### Question 1.

The difference of marks scored in Social Science and Science is

(a) 37.5

(b) 40

(c) 20

(d) 15

Explanation :
Angle of Science sector is 800and angle of Social Science sector is 650. So difference of angle is 150 .Difference of marks = (150 x 900 ) / 3600 = 37.5

### Question 2.

Total marks scored in Social Science and English is

(a) 300
(b) 350
(c) 400
(d) 450

Angle of English sector is 55and angle of Social Science sector is 650.So sum of angles is 1200.Sum of marks =( 1200 x 900) / 360 = 300.

### Question 3.

If the marks scored by the student are 137.5, then the subject is

(a) English
(b) Hindi
(c) Mathematics
(d) Science