Class 6 Exam > Class 6 Notes > Mathematics for Class 6 > Practice Questions: Data Handling and Presentation
Practice Questions: Data Handling and Presentation | Mathematics for Class 6 PDF Download
Q1: A survey was conducted on 65 students about their favorite sport. The tally marks are:
Find:
a) How many students prefer cricket?
b) Which sport is the least popular?
Sol: a) Cricket = 17 students
b) Chess ( 5 students)
Q2: A pictograph shows the number of books sold in a week:
Find:
a) Total sales on Wednesday.
b) The day with the fewest sales.
c) Difference between Monday and Thursday.
Sol:
a) Wednesday = 4 × 5 = 20 books
b) Thursday (5 books)
c) Monday (15) – Thursday (5) = 10 books
Q3: The number of trees planted in 4 cities:
Delhi: 25
Mumbai: 15
Bangalore: 20
Kolkata: 10
Represent this using a pictograph (1 symbol = 5 trees).
Sol: 
Q4: A bar graph shows the monthly rainfall (in cm):
Find:
a) The wettest month.
b) Total rainfall in 4 months.
c) Ratio of Feb to Apr rainfall.
Sol:
a) March (12 cm)
b) 5 + 8 + 12 + 3 = 28 cm
c) 8:3
Q5: The number of cars sold in a week:
- Mon: 10
- Tue: 15
- Wed: 5
- Thu: 20
- Fri: 12
Represent this data in a bar graph (Scale: 1 unit = 5 cars).
Sol: 
Q6: A class has two sections (A & B) with test scores:
- Section A: 12, 15, 18, 20
- Section B: 10, 14, 16, 22
Find:
a) Mean score of each section.
b) Which section performed better on average?
Sol:
a) Section A: (12+15+18+20)/4 = 16.25
Section B: (10+14+16+22)/4 = 15.5
b) Section A has a higher mean.
Q7: A survey of 50 people found:
- 20% prefer tea,
- 30% coffee,
- 50% juice.
How many people prefer each drink?
Sol:
- Tea: 20% of 50 = 10 people
- Coffee: 30% of 50 = 15 people
- Juice: 50% of 50 = 25 people
Q8: The daily temperatures (°C) for 5 days: 22, 24, 26, 20, 18.
Find:
a) Range.
b) Median.
Sol:
a) Range = 26 – 18 = 8°C
b) Sorted: 18, 20, 22, 24, 26
→ Median = 22°C
Q9: A graph shows ice cream sales for two years:
Find:
a) Total sales increase for chocolate.
b) Which flavor had a greater percentage increase?
Solution:
a) 80 – 70 = 10 more sales
b) Vanilla growth = (60-50)/50 × 100 = 20%
Chocolate growth = (80-70)/70 × 100 ≈ 14.3%
Vanilla grew more.
Q10: A pie chart shows expenses:
If total expenses = ₹50,000, find the amount spent on food.
Sol:
Food = 30% of ₹50,000 = ₹15,000
The document Practice Questions: Data Handling and Presentation | Mathematics for Class 6 is a part of the Class 6 Course Mathematics for Class 6.
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FAQs on Practice Questions: Data Handling and Presentation - Mathematics for Class 6
| 1. What is data handling in the context of Class 6? |  |
Ans.Data handling refers to the process of collecting, organizing, representing, and interpreting data. In Class 6, students learn how to work with different types of data and present it in various forms such as charts, graphs, and tables.
| 2. Why is data presentation important for students? | |
Ans.Data presentation is important because it helps students understand how to visualize information clearly. By learning to present data effectively, students can communicate their findings, make comparisons, and draw conclusions based on the data they have collected.
| 3. What types of graphs are commonly taught in Class 6 data handling? | |
Ans.In Class 6, students typically learn about bar graphs, line graphs, and pie charts. Each type of graph serves a different purpose and helps in visualizing different kinds of data effectively.
| 4. How can students collect data for their projects? | |
Ans.Students can collect data through surveys, experiments, observations, or by using existing data from books or online resources. It is important for them to choose a method that best suits their project topic and objectives.
| 5. What skills do students develop through data handling activities? | |
Ans.Through data handling activities, students develop critical thinking, analytical skills, and the ability to interpret information. They also improve their organizational skills and enhance their ability to communicate findings effectively.
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