Reading Bar Graphs

Q. The below graph shows the favourite colour of the students of a class. How many of them like the colour red?

1. 6

Q. Question 6(i)
Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter. Plot a double bar graph using the data and answer the following:
Temperature of Cities as on 20.6.2006
$\begin{array}{ccccc}City& Ahmedabad& Amritsar& Bangalore& Chennai\\ Max.& {38}^{\circ }C& {37}^{\circ }C& {28}^{\circ }C& {36}^{\circ }C\\ Min.& {29}^{\circ }C& {26}^{\circ }C& {21}^{\circ }C& {27}^{\circ }C\\ City& Delhi& Jaipur& Jammu& Mumbai\\ Max.& {38}^{\circ }C& {39}^{\circ }C& {41}^{\circ }C& {32}^{\circ }C\\ Min.& {28}^{\circ }C& {29}^{\circ }C& {26}^{\circ }C& {27}^{\circ }C\end{array}$
Which city has the largest difference in the minimum and maximum temperature on the given data?

Q. The below graph represents the average temperatures of different cities. What is the difference of temperature between the cities having maximum average temperature and minimum average temperature?

1. $5^{\circ }$C
2. ${10}^{\circ }$C
3. ${15}^{\circ }$C
4. ${20}^{\circ }$C

Q.

Class 8 students did a survey on birthdays. This chart shows the number of people whose birthdays fall on different months of the year.

A) How many people have their birthdays before July?

B) How many people have their birthdays in December if nobody has their birthdays in October and six people have their birthdays in November.

1. A) 19; B) 8

2. A) 12; B) 8

3. A) 19; B) 14

4. A) 12; B) 14

Q. Question 6(iii)
Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter. Plot a double bar graph using the data and answer the following:
Temperature of Cities as on 20.6.2006
$\begin{array}{ccccc}City& Ahmedabad& Amritsar& Bangalore& Chennai\\ Max.& {38}^{\circ }C& {37}^{\circ }C& {28}^{\circ }C& {36}^{\circ }C\\ Min.& {29}^{\circ }C& {26}^{\circ }C& {21}^{\circ }C& {27}^{\circ }C\\ City& Delhi& Jaipur& Jammu& Mumbai\\ Max.& {38}^{\circ }C& {39}^{\circ }C& {41}^{\circ }C& {32}^{\circ }C\\ Min.& {28}^{\circ }C& {29}^{\circ }C& {26}^{\circ }C& {27}^{\circ }C\end{array}$
Name two cities where maximum temperature of one was less than the minimum temperature of the other.

Q. The graph given below shows the marks of Ashish in the mid-term exam in 5 subjects.

Answer the following questions from the bar graph:
a) The bar graph gives information about what?
b) Give the name of subject in which Ashish scored maximum marks.
c) Give the name of subject in which Ashish scored minimum marks.
d) Give the name of the subjects with the marks.
[4 MARKS]

Q.

The bar graph shows the favourite colours of 20 students in a class. How many more favoured orange than green?

1. 3

2. 4

3. 5

4. 2

Q. Observe the following bar graph and find the difference in ${(}^{\circ }C)$ between the maximum temperatures of Panchgani and Chandrapur?

1. 5
2. 6
3. 10
4. 8

Q.

Marks obtained by different students are represented using the bar graph. Find the difference between (a) Pratik's and Shubendu's marks (b) Rohan's and Gaurav's marks. [2 MARKS]

Q.

The given bar graph is incomplete. It shows the number of stamps each pupil has.

The total number of stamps the four pupils have is 150. How many stamps does Meena have?

1. 25

2. 30

3. 15

4. 45

Q. Question 6(ii)
Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter. Plot a double bar graph using the data and answer the following:
Temperature of Cities as on 20.6.2006
$\begin{array}{ccccc}City& Ahmedabad& Amritsar& Bangalore& Chennai\\ Max.& {38}^{\circ }C& {37}^{\circ }C& {28}^{\circ }C& {36}^{\circ }C\\ Min.& {29}^{\circ }C& {26}^{\circ }C& {21}^{\circ }C& {27}^{\circ }C\\ City& Delhi& Jaipur& Jammu& Mumbai\\ Max.& {38}^{\circ }C& {39}^{\circ }C& {41}^{\circ }C& {32}^{\circ }C\\ Min.& {28}^{\circ }C& {29}^{\circ }C& {26}^{\circ }C& {27}^{\circ }C\end{array}$
Which is the hottest city and which is the coldest city?

Q. Which plants have grown to equal height?

1. Marigold
2. Rose
3. Sunflower
4. Daylily

Q.

Draw bar graph for the following data :

Month	March	April	May	June	July
Highest Temperature (C)	35	38	40	44	43

Q.

The bar graph shows the results when a die was thrown a number of times. ___ is the total number of sixes and fours that were thrown.

Q. Which cities have the same temperature of ${25}^{\circ }$C?

1. Nashik
2. Panchgani
3. Chandrapur
4. Matheram

Q.

The bar graph below gives the calories consumed by three guys A, B and C after eating chocolate. If A ate a complete chocolate, how much calories consumed by C, if C ate $\frac{3}{8}$of the chocolate eaten by A?

1. 350

2. 300

3. 450

4. 400

Q.

What a relief when we reach home after crossing all the obstacles and jumping over the head of several toads and turtles! Here is a histogram which is made up of bricks. 1 brick = 10, 500. Carefully observe the histogram and answer the questions that follow:

In which years are the no. of CDs sold the same?

1. None of these

2. 2011-12 and 2012-13

3. 2010-11 and 2011-12

4. 2013-14 and 2014-15

Q.

The given chart shows the bars of your favorite dairy milk silk. Consider that letters A, B and C are you and your two friends. Then what will be the average calories that you kids have consumed? An approximate answer is fine.

1. 216 calories

2. 416 calories

3. 816 calories

4. 616 calories

Q.

Read the bar graph in figure and answer the following question:

On which item is the expenditure maximum ?

Q.

In a small city, the forest department tried to conduct a survey for two types of trees in the years 2005, 2008 and 2011. The data obtained is shown below in the bar graph.

The year in which no. of pine trees is more than oak trees is

1. 2005

2. 2011

3. 2008

4. None of these

Q.

The bar graph below gives the number of calories consumed by three guys A, B and C after eating chocolate. What is the amount of calories consumed by C if his share of chocolate is equal to $(\frac{3}{8}{)}^{\text{th}}$ of what A has eaten?

1. 450

2. 300

3. 350

4. 400

Q. Temperature of Bengaluru is 23°C. If Mysuru is 3°C hotter than Bengaluru, find the temperature of Mysuru in Kelvin.

1. 209.15 K
2. 299.15 K
3. 319.15 K
4. 391.15 K

Q. The temperature of the lead storage container is maintained between +4 degree and - 4 degree. Which of the following figures represent the scenario?

1. 
2. 
3. 
4. 

Q.

Assume that the result of your internal examination is being represented in a bar graph. Find the difference in the marks between the highest and the lowest scores.

1. 10

2. 45

3. 15

4. 40

Q. The temperature of the lead storage container is maintained between +4 degree and - 4 degree. Which of the following figures represent the scenario?

1. 
2. 
3. 
4. 

Q.

In a small city, the forest department tried conducting a survey for two types of trees in year 2005, 2008 and 2011. The data obtained is shown below in the bar graph.

State True or False:

The number of pine trees in 2005, 2008 and 2011 is always increasing.

1. True

2. False

Q.

The graph below shows the average height of girls at different ages. What will be the age of a girl whose height is 65 inches?

1. 10

2. 20

3. 15

4. None of these

Q.

The graph below shows the usage of different types of graphs in a school. Choose the correct options on basis of data given.

1. Pictograph is the most favoured graph.

2. Pie graphs is the least favoured.

3. Frequency polygon is the least favoured graph.

4. Line graph is the most favoured graph.

Q. The given pictograph shows the sale of electric bulbs on different days of a week. Observe the pictograph and tell on which of the day the same number of bulbs were sold?

Q.

The sale of electric bulbs on different days of a week is given in the table. Observe the pictograph and answer the following questions:

a) How many bulbs were sold on Friday?