Percentage Bar Graph

Q.

Sale of English and Hindi books in the years $1995,1996,1997$ and $1998$ are given below:
$\begin{array}{ccccc}\text{Years}& 1995& 1996& 1997& 1998\\ \text{English}& 350& 400& 450& 620\\ \text{Hindi}& 500& 525& 600& 650\end{array}$

Draw a double bar graph and answer the following questions:

(a) In which year was the difference in the sale of the two language books least?

(b) Can you say that the demand for English books increased? Justify.

Q.

Draw the frequency polygon representing the following frequency distribution.

$\begin{array}{ccccccc}\text{Class interval}& 30-34& 35-39& 40-44& 45-49& 50-54& 55-59\\ \text{Frequency}& 12& 16& 20& 8& 10& 4\end{array}$
[4 MARKS]

Q. The following Bar graph depicts the no. of males and females in 4 different towns. Compare the percentage of males and females of town A and state whose percentage is more and by how much ?

1. Males, 20%
2. Females, 40%
3. Females, 20%
4. Males, 40%

Q. In a percentage bar graph, all bars are of height ________ .

1. 100 units
2. 50 units
3. 1000 units
4. 500 units

Q.

The table below shows the percentage of expenditure on various items for two families. Represent them by a bar graph.

Item		Family I		Family II
Food		50 %		45 %
Education		15 %		26 %
Health		10 %		10%
Dress		18 %		8 %
Others		2 %		1 %
Savings		5 %		10 %

Q. A certain company has 80 employees who are engineers. In this company engineers constitute $40\%$ of its work force. How many people are employed in the company? [3 MARKS]

Q. A _______ bar graph which is drawn by converting the data into percentages is called a ________ bar graph.

1. Subdivided, Percentage
2. Simple, Subdivided
3. Subdivided, Simple
4. Percentage, Subdivided

Q. The following percentage bar graph depicts the number of males and females in 4 different towns. State the percentages of Males and females of town C .

Towns	A	B	C	D
No.of males	20	30	40	45
No. of females	30	50	35	20

1. 
   50%, 50%
2. 
   53.3% , 46.7%
3. 
   56.7%, 43.3%
4. 
   60%, 40%

Q.

1. Arvi = 70%, Morshi = 45%, Barshi = 71.4%
2. Arvi = 70%, Morshi = 75%, Barshi = 71.4%
3. Arvi = 70%, Morshi = 71.4%, Barshi = 70%
4. Arvi = 70%, Morshi = 70%, Barshi = 71.4%

Q. The following graph shows the quantity of wheat and jower produced in 2010 to 2012.

What is the percentage production of jowar as compared to total production in the year 2011?

1. 10%
2. 15%
3. 20%
4. 30%

Q.

Draw a percentage bar graph for the following data:

Q. State true or false.
After the collection of data, we should check for sorting of the collected data before representing it on graphs.

1. False
2. True

Q. The following Bar graph depicts the no. of males and females in 4 different towns. Compare the percentage of males and females of town A and state whose percentage is more and by how much ?

Q. The following percentage bar graph depicts the number of males and females in 4 different towns. State the percentages of Males and females of town C .

Towns	A	B	C	D
No.of males	20	30	40	45
No. of females	30	50	35	20

Q.

The graph depicts the percentage of men and women suffering from a migraine in various age groups.

a) In which age group, there is a huge difference between the percentage of men and women?

b) In which age group, the percentage of women is the least?

c) What is the percentage of women in the age group of 18-44?
[3 MARKS]

Q. Sum of 3 consecutive multiples of 5 is 345. Find the ratio of the highest multiple and the lowest multiple.

1. $12:11$
2. $13:12$
3. $11:10$
4. $14:13$

Q. State true or false.
After collection of data, we should check for sorting of the collected data before representing it on graphs.

1. True
2. False

Q. The graph shows number of students in History, Economics and Statistics in the year $2011$ and $2012$.
What is the difference in the number of students for statistics in the year $2011$ and in $2012$.

1. $2$
2. $3$
3. $5$
4. $12$

Q. The stock value of four companies change from 2021 to 2022 as shown in the bar graph. Calculate by what percentage the average stock value of the four companies has changed from 2021 to 2022.

1. 122.7%
2. 123.3%
3. 120.7%
4. 121.3%

Q. Jagdish surveyed the students of his school to determine their favourite sport. The results are shown in the graph. How many more students like Basketball than Cricket?

1. $20$
2. $60$
3. $40$
4. $120$

Q. Read the following graph and answer the questions given below: In which subject is the student poor?

1. English
2. Mathematics
3. Science
4. History

Q.

A histogram is a pictorial representation of the grouped data in which class intervals and frequency are respectively taken along:

1. vertical axis and horizontal axis

2. horizontal axis only

3. vertical axis only

4. horizontal and vertical axes

Q. Answer the question based on the information given in the following table A, B, C, D, E denote companies and 2006, 2007, 2008, 2009 and 2010 denote years.Number of units manufactured(M) and Number of units sold (s)(in hundred) by five different companies over the years.

	A	A	B	B	C	C	D	D	E	E
	M	S	M	S	M	S	M	S	M	S
$2006$	$2.8$	$1.3$	$3.3$	$2.2$	$2.6$	$1.7$	$3.0$	$2.2$	$1.9$	$1.4$
$2007$	$3.2$	$2.0$	$2.4$	$1.6$	$2.2$	$1.5$	$2.5$	$1.9$	$2.0$	$1.7$
$2008$	$1.9$	$0.9$	$2.9$	$1.6$	$2.1$	$1.0$	$2.3$	$1.5$	$1.6$	$1.1$
$2009$	$1.0$	$0.4$	$2.4$	$1.3$	$2.8$	$1.4$	$2.1$	$1.2$	$3.2$	$2.5$
$2010$	$2.5$	$1.5$	$2.3$	$1.2$	$2.6$	$2.1$	$1.8$	$1.1$	$3.1$	$2.6$

What is the approximate per cent increase in the number of units sold by company E in the year $2007$ from the previous year?

1. $36$
2. $27$
3. $21$
4. $17$

Q. The following data is called in a survay of sum students of ${10}^{th}$ standard from some school. Draw the percentage bar graph of the date.

School	$1^{st}$	$2^{nd}$	$3^{rd}$	$4^{th}$
Inclination towards science stream	$90$	$60$	$25$	$16$
Inclination towards commerce stream	$60$	$20$	$25$	$24$

Q. In the bar diagram, at first the given information is converted into percentage and then a sub-divided bar diagram is drawn.

1. joint
2. percentage
3. sub-divided

Q.

From a school 90 boys and 30 girls appeared for a public examination. The mean mark of boys is found to be $45\%$ whereas the mean mark of girls is $70\%$. What is the average marks $\%$ of the school?

1. $51.52\%$

2. $61.50\%$

3. $40.50\%$

4. $51.25\%$

Q. The following graph shows the quantity of wheat and jowar produced in 2010 to 2012.


What is the percentage production of wheat as compared to total production in the year 2010?

1. 65%
2. 70%
3. 80%
4. 75%

Q. What is the ratio of the highest marks to the lowest marks obtained by the student?

1. $2:11$
2. $9:2$
3. $2:9$
4. $11:2$

Q.

In a class of 58 students, 20 follow cricket, 38 follow hockey and 15 follow basketball. Three students follow all the three games. How many students follow exactly two of these three games?

___

Q. Draw percentage bar diagram showing number of male and female employees in various department of an IT firm.

Department	Technical	HR	Finance	Marketing
Female	160	200	80	110
male	275	125	140	140