## Introduction to Data Interpretation

#### Data Interpretation

Direction: The Pie- chart shows the result of a survey among 119060 people concerning the use of tobacco. Study the Pie-chart and answer the questions.

1. The number of people smoking Cigarettes is :

1. According to given pie chart in question ,
Number of smoking people of tabacco = 119060
The corresponding angle for Cigarettes = 180°
∵ 360° ≡ 119060

 ∴ 1deg; ≡ 119060 360

 ∴ 1° ≡ 119060 360

##### Correct Option: C

According to given pie chart in question ,
Number of smoking people of tabacco = 119060
The corresponding angle for Cigarettes = 180°
∵ 360° ≡ 119060

 ∴ 1deg; ≡ 119060 360

 ∴ 1° ≡ 119060 360

 ∴ 180° ≡ 119060 × 180 = 59530 360

1. The number of people preferring Bidi is :

1. As per given pie chart in question ,
Number of smoking people of tabacco = 119060
The corresponding angle for Bidi = 90°
We know that , 360° ≡ 119060

 ∴ 1deg; = 119060 360

##### Correct Option: B

As per given pie chart in question ,
Number of smoking people of tabacco = 119060
The corresponding angle for Bidi = 90°
We know that , 360° ≡ 119060

 ∴ 1deg; = 119060 360

 ∴ 90° ≡ 119060 × 90 = 29765 360

1. The number of Cigarette smoking people is greater than the number of Pipe smoking people by :

1. As per the given pie chart in question ,
Difference between corresponding angles for cigarette and pipe users = 180° – 36° = 144°
∵ 360° ≡ 119060

 ∴ 1deg; = 119060 360

##### Correct Option: B

As per the given pie chart in question ,
Difference between corresponding angles for cigarette and pipe users = 180° – 36° = 144°
∵ 360° ≡ 119060

 ∴ 1deg; = 119060 360

 ∴ 144° ≡ 119060 × 144 = 47624 360

1. The percentage of people under survey, who do not have any smoking habit is :

1. On the basis of given pie chart in question ,
The corresponding angle of total smoking person = 360°
The corresponding angle of without smoking people = 18°

##### Correct Option: B

On the basis of given pie chart in question ,
The corresponding angle of total smoking person = 360°
The corresponding angle of without smoking people = 18°

 Percentage of people without smoking habits = 18 × 100 = 5 % 360

Direction: The numbers of different colleges in India in different years is given in the graph below. Per cent distribution of different colleges in year 1980 and 1990 is shown in pie chart

1. What is the difference in number of engineering colleges in 80°s and 90’s.

1. According to given graph and pie chart in question ,
Percent of Engineering colleges in 80’s = 15%
Number of colleges in 80’s = 20000
Percent of Engineering colleges in 90’s = 40%
Number of colleges in 90’s = 40000

 Number of Engineering colleges in 80’s = 20000 × 15 = 3000 100

##### Correct Option: A

According to given graph and pie chart in question ,
Percent of Engineering colleges in 80’s = 15%
Number of colleges in 80’s = 20000
Percent of Engineering colleges in 90’s = 40%
Number of colleges in 90’s = 40000

 Number of Engineering colleges in 80’s = 20000 × 15 = 3000 100

 Number of Engineering colleges in 90°s = 40000 × 40 = 16000 100

Required difference = 16000 – 3000 = 13000