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All questions of Data Handling and Presentation for Class 6 Exam

Navya collected data on the favorite games of her classmates and found that 8 students prefer cricket, 5 prefer hockey, and 3 prefer football. What type of chart would best represent this data visually?
  • a)
    Pictograph
  • b)
    Line Graph
  • c)
    Bar Graph
  • d)
    Pie Chart
Correct answer is option 'C'. Can you explain this answer?

Coders Trust answered
To show the favorite games of Navya's classmates, a bar graph is the best choice. Here’s why:
  • A bar graph uses bars to represent different categories, making it easy to compare the number of students who like each game.
  • Each bar can show the number of students for cricket, hockey, and football clearly.
  • This type of graph is simple to read and understand for everyone.
Other options, like a pictograph or pie chart, may not show the comparison as clearly as a bar graph does.

The frequency of 2 in the data 1, 1, 2, 2, 3, 3, 4, 4, 2, 2, 3, is ______ .
  • a)
    3
  • b)
    4
  • c)
    5
  • d)
    6
Correct answer is option 'B'. Can you explain this answer?

Vp Classes answered
In the given data: 1, 1, 2, 2, 3, 3, 4, 4, 2, 2, 3
The number 2 appears 4 times.
So, the frequency of 2 is: 4

What does the width of a bar in a bar graph represent?
  • a)
    Nothing Specific
  • b)
    The frequency of the data
  • c)
    The number of observations
  • d)
    The time period
Correct answer is option 'A'. Can you explain this answer?

Vp Classes answered
The width of a bar in a bar graph does not represent any specific value. Instead, it is the length or height of the bar that indicates the frequency or quantity of the data being represented.
Key points to understand:
  • The width of the bars is typically uniform across the graph.
  • It is the length or height that shows the data's frequency or amount.
  • Uniform spacing between bars indicates they represent distinct categories.
In summary, while the width is consistent, it is the bar's length or height that conveys the essential information in a bar graph.

In the data 18, 13, 15, 13, 18, 14, 15, 13, 14, 15, how many times the number '15' repeats itself?
  • a)
    2
  • b)
    1
  • c)
    3
  • d)
    4
Correct answer is option 'C'. Can you explain this answer?

Aaditya Chawla answered
Understanding the Data
The given data set is: 18, 13, 15, 13, 18, 14, 15, 13, 14, 15.
To find out how many times the number 15 appears, we will count its occurrences in the list.
Counting Occurrences of 15
- Start from the beginning of the list.
- Go through each number one by one.
Occurrences in the Data Set:
- 18: Not 15
- 13: Not 15
- 15: 1st occurrence
- 13: Not 15
- 18: Not 15
- 14: Not 15
- 15: 2nd occurrence
- 13: Not 15
- 14: Not 15
- 15: 3rd occurrence
Conclusion
In total, the number 15 appears three times in the data set. Therefore, the correct answer is option C.
Summary of Findings
- The number 15 appears 3 times.
- The counting method ensures accuracy by checking each element.
This method can be applied to any data set to determine the frequency of any number. Always remember to carefully count each occurrence to ensure the correct answer.

The choices of the sweets of 10 students in a batch are as follows: 
Jalebi, Kaju Katli, Kalakand, Kaju Katli, Kheer, Barfi,
Rasgulla, Kaju Katli, Kheer, Kaju Katli
Q. The sweet preferred by the most of the students is
  • a)
    Jalebi
  • b)
    Rasgulla
  • c)
    Kaju Katli
  • d)
    Kheer
Correct answer is option 'C'. Can you explain this answer?

Tanishq Khanna answered
Understanding the Choices of Sweets
In this scenario, we have the sweet preferences of 10 students. Let's examine the choices closely to determine which sweet was preferred the most.
List of Sweets Chosen
- Jalebi
- Kaju Katli
- Kalakand
- Kaju Katli
- Kheer
- Barfi
- Rasgulla
- Kaju Katli
- Kheer
- Kaju Katli
Counting the Preferences
Now, let’s tally the number of times each sweet was chosen:
- Jalebi: 1 time
- Kaju Katli: 4 times
- Kalakand: 1 time
- Kheer: 2 times
- Barfi: 1 time
- Rasgulla: 1 time
Identifying the Most Popular Sweet
From the counts, we can see:
- Kaju Katli was chosen 4 times, which is the most compared to the others.
- Kheer was chosen 2 times.
- All other sweets were chosen only once.
Conclusion
The sweet preferred by the most students is clearly Kaju Katli, with a total of 4 votes. Therefore, the correct answer is option C: Kaju Katli. This indicates a strong preference for Kaju Katli among the students in this batch.

Direction: Observe the adjoining bar graph, showing the number of one-day international matches played by cricket teams of different countries.

Q. Which country played maximum number of matches?
  • a)
    Australia
  • b)
    Pakistan
  • c)
    England
  • d)
    India
Correct answer is option 'A'. Can you explain this answer?

Coachify answered
To determine which country played the maximum number of one-day international matches, we analyze the given bar graph carefully. The graph shows the number of matches played by each country's cricket team:
  • India: 30 matches
  • Pakistan: 24 matches
  • West Indies: 18 matches
  • England: 30 matches
  • South Africa: 12 matches
  • Australia: 32 matches
  • Sri Lanka: 24 matches
From the data, it is evident that Australia has played the highest number of matches, which is 32.
Answer: Australia

Direction: Observe the adjoining bar graph, showing the number of one-day international matches played by cricket teams of different countries.

Q. How many more matches were played by India than Pakistan? IF India Played 30 and Pkaistan played 24
  • a)
    6
  • b)
    12
  • c)
    24
  • d)
    30
Correct answer is option 'A'. Can you explain this answer?

Get Idea answered
The number of more matches played by India than Pakistan = Number of matches played by India - Number of matches played by Pakistan
⇒ The number of more matches played by India than Pakistan = 30 - 24
⇒ The number of more matches played by India than Pakistan = 6 matches
Hence, India played 6 matches more than Pakistan.
Hence, the correct option is A.

Observe the following bar graph and answer the related question:

Which political party won the maximum number of seats?
  • a)
    A
  • b)
    B
  • c)
    C
  • d)
    D.
Correct answer is option 'A'. Can you explain this answer?

Praveen Kumar answered
From the graph:
  • Party A has the highest number of seats (more than 40).
  • Party B has a lower number than Party A.
  • Party C also has fewer seats than Party A.
  • Party D has fewer seats than Party A.
  • Party E has the fewest seats.
∴ The political party that won the maximum number of seats is A.
So, the correct answer is (a) A.

Directions For Questions: The following pictograph shows the number of scooters sold by a company during a week. Study the pictograph carefully and answer the questions given below.

On which day of the week was the sale of the scooters was maximum?
  • a)
    Monday
  • b)
    Friday
  • c)
    Tuesday
  • d)
    Saturday
Correct answer is option 'B'. Can you explain this answer?

Praveen Kumar answered
Given: One scooter = 6 scooters
So total sold scooters = (Number of scooters) × 6
  • Monday = 5 × 6 = 30
  • Tuesday = 4 × 6 = 24
  • Wednesday = 3 × 6 = 18
  • Thursday = 5 × 6 = 30
  • Friday = 7 × 6 = 42
  • Saturday = 2 × 6 = 12
Hence, maximum scooters were sold on Friday.
Answer: B

If  represents 5 eggs how many eggs does represent?
  • a)
    4
  • b)
    16
  • c)
    20
  • d)
    25
Correct answer is option 'C'. Can you explain this answer?

Coachify answered
If  represents 5 eggs, then represents 4 times 5 eggs.
So, = 4 × 5 = 20 eggs.
The correct answer is: C) 20

If one 
 symbol represents 10 children, how many children are represented by 
  • a)
    5
  • b)
    25
  • c)
    15
  • d)
    20
Correct answer is option 'A'. Can you explain this answer?

Coders Trust answered
  • In a pictograph, we use a “key” to tell what one picture stands for.
  • Here, 1 full
     symbol = 10 children.
  • The symbol shown is a half symbol (only half of the face is drawn).
  • So it represents half of 10 children:
Therefore, the half symbol stands for 5 children.

The given graph shows the marks scored by a student in his class test. Read the graph shown and answer the questions:

Highest marks are scored in ______ .
  • a)
    English
  • b)
    Hindi
  • c)
    Maths
  • d)
    None of these
Correct answer is option 'C'. Can you explain this answer?

Marks in English (from graph) = 15
Marks in Hindi (from graph) = 10
Marks in Maths (from graph) = 30
Marks in Science (from graph) = 20
Marks in S.St (from graph) = 25
Highest Mark are scored in Maths (30)

The line plot below shows how students scored on last week's maths test. 
Key: Each  = 1 student
Q. How many students scored 95 or higher on the test? 
  • a)
    5
  • b)
    7
  • c)
    12
  • d)
    16
Correct answer is option 'C'. Can you explain this answer?

EduRev Class 6 answered
It is given that 1 star represents 1 student.
Number of students getting 95 marks = 7
Number of students getting 100 marks = 5
Therefore, the number of students getting 95 or above marks = 5 + 7 = 12 students

Direction: Observe the adjoining bar graph, showing the number of one-day international matches played by cricket teams of different countries.

Q. Ratio of the number of matches played by India to the number of matches played by Sri Lanka is
  • a)
    5 : 4
  • b)
    4 : 3
  • c)
    7 : 6 
  • d)
    4 : 5
Correct answer is option 'A'. Can you explain this answer?

Get Idea answered
From the bar graph, the number of matches played by India is 30, and the number of matches played by Sri Lanka is 24.
Ratio of matches played by India to Sri Lanka = 30 : 24.
Simplifying this ratio by dividing both terms by 6, we get 5 : 4.
Therefore, the correct ratio is 5 : 4.

The following bar graph shows the number of members in each family of a colony.
The number of families having 3 members is
  • a)
    25
  • b)
    30
  • c)
    35
  • d)
    40
Correct answer is option 'D'. Can you explain this answer?

Dr Manju Sen answered
The bar corresponding to 3 members reaches the height of 40 on the y-axis.
Thus, the number of families having 3 members is 40.
Therefore, the correct answer is (d) 40.

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