# Interpreting Graphs

## Trending Questions

**Q.**

In a game of football, if a player kicks the ball into opponent's goal post then he scores a goal. If he passes the ball to any of his team mates and that particular team mate scores a goal after that, the player is said to have assisted the goal. Here you have line graphs which give the goals and assists of two players in past 5 months. The player who played better in Month 5 is ________. (Assume the level of competition in the matches played by both the players was same)

Both played qually good

Data is not sufficient

Player 1

Player 2

**Q.**

Observe the following bar graph:

Number of students who like blue colour are:

30

25

35

30

**Q.**When data is represented using rectangular bars, it is called a ______ .

- tally mark
- pictograph
- bar graph
- none of the above

**Q.**

Observe the following bar graph:

Number of students who like orange colour are:

65

55

60

50

**Q.**The following graph shows the selling of mobiles phones over the different years.

The difference in the sales of cellular phones for the years 1997 and 1999 is:

- 5000 units
- 18, 000 units
- 1000 units
- 500 units

**Q.**The bar graph given below shows the marks of students of a class in a particular subject:

Study the bar graph and answer the following questions :

If 40 is the pass mark, then how many students have failed?

- 6
- 7
- 5
- 4

**Q.**

Determine whether the sample is biased or unbiased. Explain.

You want to estimate the number of books students in your school read over the summer. You survey every fourth student who enters the school.

**Q.**Question 2(i)

Read the bar graph which shows the number of books sold by a bookstore during five consecutive years and answer the following questions:

About how many books were sold in 1989? 1990? 1992?

**Q.**

In a survey of 85 families of a colony, the number of members in each family was recorded and the data has been represented by the following bar graph.

Read the bar graphcarefully and answer the following questions :

(i) What information does the bar graph give ?

(ii) How many families have 3 members ?

(iii) How many people live alone ?

(iv) Which type of family is the most common ? How many members are there in each family of this kind ?

**Q.**

What is the difference between the number of students in class vi and class xi ?

20

18

15

10

**Q.**

The table shows the number of $\mathrm{TV}$ sets sold at Diwakars store .

Make a pictograph by using pictures or stickers:\

**Q.**

State true or false

37 people have their birthdays before October.

True

False

**Q.**

The number of mathematics books sold by a shopkeeper on six consecutive days of a week is shown below in the graph.

The day of minimum sale is ________.

- Tuesday
- Wednesday
- Thursday
- Monday

**Q.**

The total expenditure for the months of August and September is

₹ 1700

₹ 1500

₹ 1800

₹ 1100

**Q.**

Look at the graph below and answer the question that follows :

In which city are the highest number of vehicles sold?

Ranchi

Hyderabad

Chennai

Mumbai

**Q.**The given graph shows the monthly expenditure (in ₹) of a family. What is the difference in the expenditure for the months of March and September?

- ₹1, 600
- ₹600
- ₹900
- ₹1, 000

**Q.**

Tally marks are used Find________.

**Q.**How many people have their birthday in December if 6 people were born in November and no one in October?

- 8
- 6
- 2
- 14

**Q.**

Jessica and Jenny are classmates. Both of them are toppers thus they have good competition between them. As the final term examination was over, Jessica was very scared of her result as she could not do so well. Next day, the results were out and it was represented in a graphical manner.

The bar graph shows the scores, Jessica obtained in her end of year exams. Jenny's score in two subjects were higher than Jessica's score. In one subject there was an increase of 15% while in the other subject the increase was 38%. But in both these subjects Jenny score was 69. In which two subjects did Jenny score 69?

89

79

60

- 69

**Q.**

Statement 1: Bar Graph is a graph of rectangles.

Statement 2: Width of the rectangle gives us the quantity that bar is representing.

1 and 2 both are true

1 is true and 2 is false

2 is true and 1 is false

Both 1 and 2 is false

**Q.**

Modes of transport of 1700 students of NIT Warangal is shown in the graph below.

Which is the most popular means of transport?

Metro

Bike

Car

Bus

**Q.**

If every student in the entire school donates ₹ 200 each for charity , how much money would go for donation in total?

₹ 104800

₹ 148000

₹ 124800

₹ 108400

**Q.**Read the bar graph given below and answer the following questions.

(a) What is the total number of students in all the clubs together?

(b) Which club has more students and how many?

(c) Which clubs have equal number of students?

(d) How any students are there in hockey club?

(e) What information is given in the bar graph?

**Q.**

Without drawing the table and just by looking at the graph, what is the average of the highest number of men and women voters?

78

75

72

73.5

**Q.**

A survey of 120 school students was done to find which activity they prefer to do in their free time.

Preferred activity |
Number of students |

Playing |
45 |

Reading story books |
30 |

Watching TV |
20 |

Listening to music |
10 |

Painting |
15 |

Draw a bar graph to illustrate the above data taking scale of 1 unit length = 5 students.

Which activity is preferred by most of the students other than playing?

**Q.**

Jack Nivaju was nominated for the “Excellence Award” for his famous work on time travel. He then checked the status of the number of votes he got.

Find the number of people voted for Jack.

**Q.**

Jack remembered that his famous work on time travel was criticized everywhere. Maybe people in future now are making fun of him. For his work, he was nominated for the “Excellence Award”. He then checked the status of the number of votes he got.

The frequency of people voting for Jack is

**Q.**

What does this graph represent? [2 MARKS]

**Q.**

Observe the following bar graph:

Total number of students who like colour blue and green.

80

70

74

75

**Q.**

Observe the following bar graph:

Difference between the number of students who like colour purple and green.

15

10

20

05