Bar Graph

Q.

In a bar graph, the heights of the bars are proportional to the respective frequencies of the different categories.

1. True

2. False

Q. What is X-axis and Y-axis in a bar graph.

Q.

The following bar graph shows different fruits sold in a day by weight. Find the difference in sales between the most popular and least popular fruit.

1. 25 Kg

2. 30 Kg

3. 10 Kg

4. 20 Kg

Q. The mean weight of a class of 20 students is 48 kg. Two more students weighing 60 kg and 58 kg respectively join the class. What is the mean weight of the class now?

Q.

A survey of students' favourite after-school activities was conducted in a school. The table below shows the results of this survey.

The best way of representing this data is by

1. Bar graph

2. Pie Chart

3. Line Graph

4. Pictograph

Q. The percentage of literate people in the states of Maharashtra and Gujarat are given below. Draw a joint bar graph for this data.

State	Year	1971	1981	1991	2001	2011
Maharashtra		46	57	65	77	83
Gujarat		40	45	61	69	79

Q.

Question 117 (i)

Science Application
The king cobra can reach a length of 558 cm. This is only about 60% of the length of the largest reticulated python. Find the length of the largest reticulated python.

Q.

Number of children in six different classes are given below. Represent the data on a bar graph.

Class	Fifth	Sixth	Seventh	Eighth	Ninth	Tenth
Number of children	135	120	95	100	90	80

(a) How would you choose a scale?

(b) Answer the following questions:

(i) Which class has the maximum number of children? And the

minimum?

(ii) Find the ratio of students of class sixth to the students of class

eight.

Q.

The bar graph shows the results when a die was thrown a number of times. How many sixes were thrown?

1. 1

2. 2

3. 3

4. 4

Q.

The performance of students in 1^st Term and 2^nd Term is given. Draw a double bar graph choosing appropriate scale and answer the following:

Subject	English	Hindi	Moths	Science	S. science
1st Term (M.M. 100)	67	72	88	81	73
2nd Term (M.M. 100)	70	65	95	85	75

(i) In which subject, has the child improved his performance the most?

(ii) In which subject is the improvement the least?

(iii) Has the performance gone down in any subject?

Q. A graph with horizontal bars is called horizontal .

1. histogram
2. bar graph
3. pie chart

Q.

A bar graph

1. is used to show comparison among different categories.

2. has all these properties.

3. is used for discrete data points and to compare quantities.

4. consists of several parallel vertical or horizontal rectangular bars.

Q. The bar graph given below represents the favourite sports of 50 students.


How many students have cricket or football as their favourite sport?

1. 12
2. 20
3. 15
4. 10

Q.

What is the difference in the number of mangoes sold on Sunday and number of custard apples sold on Wednesday?

1. 75

2. 65

3. 20

4. 10

Q.

If there are 5 people in the height range 170-175 cm in a class of 50 people, the percentage of people in the height range 170-175 cm is__________.

1. 5%

2. 10%

3. 15%

4. 20%

Q. What is the range of the average marks scored by four different sections of grade VII?

1. 10
2. 12
3. 11
4. 9

Q.

The temperature of a particular week of a place are given in the table below:

Day	Mon	Tue	Wed	Thu	Fri	Sat	Sun
Temperature	$30°C$	$33°C$	$31°C$	$30°C$	$34°C$	$32°C$	$35°C$

Draw a bar graph to represent this data and answer the following question:

On which day the temperature was maximum?

Q.

i) Percentage of people in the range 149.5 -159.5cm is equal to ______.

ii) Percentage difference between the number of people in the range 159.5 - 169.5cm and 169.5 - 179.5cm is____.

1. 20 , 6.66%

2. 20 , 16.66 %

3. 30 , 6.66 %

4. 30 , 16.66 %

Q.

Draw a bar graph for the given data

Animal		Life span (years)
Man		100
Elephant		60
Cow		20
Goat		10

Q.

Expenditure on Education of a country during a five year period (2002-2006), in crores of rupees, is given below. Represent the information above by a bar graph.

Education	Expenditure
Elementary education	$240$
Secondary education	$120$
University education	$190$
Teacher’s Training	$20$
Social education	$10$
Other educational programmes	$115$
Cultural programmes	$25$
Technical education	$125$

Q. The number of saplings planted by schools on World Tree Day is given in the table below. Draw a joint bar graph to show these figures.

School Name	Name of sapling	Almond	Karanj	Neem	Ashok	Gulmohar
Nutan Vidyalaya		40	60	72	15	42
Bharat Vidyalaya		42	38	60	25	40

Q.

Question 21

The following is the map of a town. Based on it answer the question.

According to the map, the number of schools in the town is
(a) 4
(b) 3
(c) 5
(d) 12

Q.

The graph shown below gives the monthly sale of various Apple products. What kind of graph is it?

1. Bar Graph

2. Line Graph

3. Histogram

4. Circle Graph

Q.

Use the bar graph (see the given figure) to answer the following questions.

(a) Which is the most popular pet?

(b) How many children have dog as a pet?

Q. For the bar graph the unit of scale chosen should be clear and marked properly on X-axis and _____.

1. Y-axis
2. X-axis
3. P-axis
4. Z-axis

Q. The average weight of Anand(A) , Billu (B) and Cathy (C) is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is ___Kg.

Q.

If the bar graph below represents your pocket money expenditure, Which activity uses up most of your pocket money?

1. Mobile Recharge

2. Eating Outside

3. Movies

4. Gaming Centres

Q.

The graph ______ gives an overview of the information being presented in the graph.

1. Label

2. Axis

3. Bars

4. Title

Q.

In order to compare two bar graphs, which of the following is/are true?

1. Number of samples being compared must be equal

2. Scale of both the graphs may or may not be same

3. Number of samples being compared may or may not be equal

4. Scale of both the graphs must be same

Q.

What is the maximum expenditure from the given graph ?

1. ₹ 1800

2. ₹ 1600

3. ₹ 1900

4. ₹ 1700