Inferring from Double Bar Graphs

Q. The joint bar graph below shows the maximum and minimum temperature in a city in a week from Monday to Friday. Study the graph and answer the questions.



(1) Which day had the highest maximum temperature?
(2) Which day had the lowest minimum temperature?
(3) What was the maximum and minimum temperature on Tuesday?
(4) Which days had the same maximum temperature?
(5) Which days had the same minimum temperature?
(6) Is there a fall or a rise in the minimum temperature on Tuesday compared to Monday?

Q.

The bar graph shows the usual method of transport to school for the students in a class. Then what is the total number of students in the class?

1. 22

2. 21

3. 20

4. 18

Q. Consider the following data gathered from a survey of a colony:

Favourate Sport:	Cricket	Basket-Ball	Swimming	Hockey	Athletics
Watching	1240	470	510	423	250
Participating	620	320	320	250	105

Draw a double bar graph choosing an appropriate scale. What do you infer from the bar graph?
(i) Which sport is most popular?
(ii) What is more preferred watching or participating in sports?

Q.

Following data gives the number of Hindi and English books bought by a library during the year. Year 2002 2003 2004 2005 2006 Hindi 350 400 520 600 650 English 300 380 400 450 600 Answer the following : In which year the difference in the purchase of two language books was : Minimum 2) Maximum

Q. Given double bar graph is representing the people in church attending the mass prayer and lunch for 4 different month.
Which month has the maximum number of people for both mass prayer and lunch?

1. 
   January
2. 
   February
3. March
4. 
   April

Q. The profit of ABC company for the years 2003 and 2004 year is compared for the 4 quarters. What is the average of the profit gained by company in 2004 for all the quarters ?

1. 50 thousand
2. 60 thousand
3. 70 thousand
4. 80 thousand

Q.

The bar graph in Fig. 15.8 shows the number of one-day matches played by cricket teams of different countries. Select the correct answer from the given four alternative answers.

Which country played maximum matches?

1. India

2. Australia

3. New Zealand

4. Bangladesh

Q. Consider the bar graph given below.
How many people have their birthday in January - September?

1. 18
2. 19
3. 7
4. 37

Q.

Read the following bar graph and fill in the blanks:

The total strength of the students is_____.

Q. In a school gymnastic team, there are 6 boys and 8 girls. Find the ratio of girls to boys.

1. 3:4
2. 1:4
3. 8:13
4. 4:3

Q. Profit for four quarters for two years 2003 and 2004 is compared in the double bar graph as shown below.What is the difference between the total profits for years 2004 and 2003 in all the four quarters?

1. 
   240
2. 
   20
3. 
   230
4. 
   10

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

Subject:	English	Hindi	Maths	Science	S.Science
1st term:	67	72	88	81	73
2nd term:	70	65	95	85	75

(i) In which subject, has the children improved their performance the most?
(ii) Has the performance gone down in any subject?

Q.

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

1. 75

2. 65

3. 20

4. 10

Q. Different sports played by the students of a school in 2018 and 2019 respectively is shown in the double bar given below. What is the ratio of total number of students who took part in sports for the year 2019 to that of 2018 is?

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

Class:	V	VI	VII	VIII	IX	X
Number of children:	135	120	95	100	90	80

(i) How do you choose the scale.
(ii) Which class has the maximum number of children?
(iii) Which class has the minimum number of children?

Q. Different sports played by the students of a school in 2018 and 2019 respectively is shown in the double bar given below. What is the ratio of total number of students who took part in sports for the year 2019 to that of 2018 is?

1. 0.5
2. 0.9
3. 9
4. 5

Q.

See the double bar graph and answer the question that follows.

Total number of boys and girls participated in Canoeing?

1. 35

2. 30

3. 45

4. 40

Q. Consider the double bar graph given below. How many classes have more than 45 students?

1. 1
2. 0
3. 2
4. 3

Q.

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

1. 20

2. 10

3. 75

4. 65

Q. The double bar graph below shows the marks obtained by some students in two of their class tests. Find the average marks scored by the students in the second test.

1. 66
2. 55
3. 60
4. 75

Q. Study the graph given below and answer the following:
(i) What is the difference between the number of mangoes sold on Sunday and the number of custard apples sold on Tuesday?
(ii) What is the sum of the number of mangoes sold on Monday and the number of custard apples sold on Wednesday?

(3 Marks)

Q. The graph below shows marks obtained by some students in two tests.

What is the average of the marks scored by Vinsta in two tests?

1. 70
2. 130
3. 65
4. 60

Q. The double bar graph below shows the marks obtained by some students in two of their class tests.

Find the average marks scored by the students in the first test.

1. 55 marks
2. 60 marks
3. 70 marks
4. 75 marks

Q.

“You are William Playfair!!!” Jack exclaimed with super surprise. “Yes, I am”, he replied. While Jack was still in the state of astonishment, William asked him, “Can you help me again? I have a list of number of people who have attended the Mass and lunch offered at the church for four months. Can you help me compare this data?” According to his list, then, Jack drew a bar chart (which William doesn’t know anything about). It came as:

​Looking at this, William exclaimed - “What a nice chart! We can easily compare the number of people. Thanks” Then Jack smiled and said- “If it’s that easy, tell me in which month the number of people attending Mass is maximum and in which month the number of people attending lunch is minimum?” The correct answer is –

1. January and April

2. January and March

3. April and February

4. April and March