Data Handling and Presentation — Practice Quiz
CBSE · Class 6 · Mathematics
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Quick Quiz: Data Handling and Presentation
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A class collected data on favorite fruits: Apple-8, Banana-12, Orange-6, Mango-10. What is the total number of students surveyed?
In a pictograph, if one symbol represents 5 books and there are 6 symbols for Fiction books, how many Fiction books are there?
A bar graph shows Class 5 has 25 students and Class 6 has 30 students. What is the difference between the two classes?
Tally marks |||| represent how many items?
Sample Questions
Which of these activities require data collection? (Select all correct options)
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Finding favorite sport in class, Measuring heights of classmates, Counting birds in school garden
Data collection involves gathering information through observation or surveys. Finding capitals or calendar facts are already known information that doesn't require collection.
In a pictograph showing vehicle data, if 🚗 = 10 cars and there are 2.5 symbols for trucks, how many trucks are represented?
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25
Calculate: 2.5 × 10 = 25 trucks. Half symbol represents half the scale value, so 0.5 × 10 = 5, plus 2 full symbols (2 × 10 = 20) gives 25 total.
Data arranged in ascending order: 2, 4, 4, 6, 8, 8, 8, 10. What is the most frequent value?
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8
Count frequencies: 2(1), 4(2), 6(1), 8(3), 10(1). The value 8 appears 3 times, which is the highest frequency (mode).
A bar graph uses scale 1 unit = 20 students. If a bar is 4 units high, how many students does it represent?
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80
Multiply bar height by scale: 4 units × 20 students/unit = 80 students. The scale tells us what each unit length represents.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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