Class 7 Maths Chapter 3 Data Handling

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Practice Class 7 Maths Chapter 3 Data Handling MCQ Questions with Answers based on the latest NCERT syllabus. Solve moderate to difficult MCQs on frequency tables, tally marks, pictographs, bar graphs, and data interpretation with detailed step-by-step solutions. Ideal for CBSE, State Board, Olympiad, and scholarship exam preparation

Class 7 Maths Chapter 3 Data Handling MCQ Questions with Answers and Detailed Solutions – Practice Set 10

Total 5 Questions Included in this Quiz

1 / 5

A bar graph shows the number of storybooks read by four students.

Aman = $$18$$

Bhavna = $$25$$

Chirag = $$20$$

Deepa = $$23$$

How many books did Bhavna and Deepa together read?

2 / 5

Which one of the following statements is correct?

3 / 5

A survey records the favourite indoor games of students.

GameFrequency
Chess$$14$$
Carrom$$19$$
Ludo$$17$$
Table Tennis$$10$$

How many students participated in the survey?

4 / 5

A pictograph has the key:

🚲 = 8 bicycles

If 44 bicycles are represented, how many symbols are required?

5 / 5

The frequencies of five colours are given below:

Red = $$9$$

Blue = $$15$$

Green = $$12$$

Yellow = $$8$$

Black = $$6$$

How many observations are there in total?

Your score is

The average score is 0%

0%

Chapter Information

Subject: Mathematics

Class: 7

Chapter: Data Handling

Question Type: Multiple Choice Questions (MCQs)

Difficulty Level: Moderate to Difficult

Based On: NCERT Latest Syllabus (2026)


Introduction

Data Handling helps students collect, classify, represent, and interpret data efficiently. Understanding concepts such as frequency tables, pictographs, and bar graphs enables students to solve real-life problems involving surveys, comparisons, and statistical information.


What You Will Learn?

✔ Organizing raw data

✔ Preparing frequency tables

✔ Interpreting pictographs

✔ Reading bar graphs

✔ Comparing observations

✔ Finding totals and differences

✔ Solving real-life data-based questions


Why This Topic Is Important?

Data Handling is used in almost every profession, including business, healthcare, education, science, sports, and technology. Learning this chapter improves logical reasoning, observation skills, and decision-making.


Exam Relevance

These questions are useful for:

✔ CBSE Exams

✔ State Board Exams

✔ School Tests

✔ Unit Tests

✔ Half-Yearly Exams

✔ Annual Exams

✔ Olympiad Preparation

✔ Scholarship Examinations


Q1. The frequencies of five colours are given below:

Red = $$9$$

Blue = $$15$$

Green = $$12$$

Yellow = $$8$$

Black = $$6$$

How many observations are there in total?

A) $$45$$

B) $$48$$

C) $$50$$

D) $$52$$

Answer: $$50$$

Useful Formula for this Question

$$\text{Total Observations}=\text{Sum of all Frequencies}$$

Concept Behind This Question

Students should calculate the total number of observations by adding all frequencies.

Step-by-Step Solution

$$9+15+12+8+6$$

$$=50$$

Therefore, the correct answer is:

$$50$$

Exam Tip

When asked for the total observations, add every frequency carefully.


Q2. A pictograph has the key:

🚲 = 8 bicycles

If 44 bicycles are represented, how many symbols are required?

A) $$4\frac{1}{2}$$

B) $$5$$

C) $$5\frac{1}{2}$$

D) $$6$$

Answer: $$5\frac{1}{2}$$

Useful Formula for this Question

$$\text{Number of Symbols}=\frac{\text{Total Items}}{\text{Value of One Symbol}}$$

Concept Behind This Question

Students should determine the required number of symbols using the given key.

Step-by-Step Solution

One symbol represents

$$8$$ bicycles.

Required symbols

$$=\frac{44}{8}=5.5$$

Hence,

$$5$$ complete symbols and one half-symbol are needed.

Therefore, the correct answer is:

$$5\frac{1}{2}$$

Exam Tip

Half-symbols are used only when the key allows fractional representation.


Q3. A bar graph shows the number of storybooks read by four students.

Aman = $$18$$

Bhavna = $$25$$

Chirag = $$20$$

Deepa = $$23$$

How many books did Bhavna and Deepa together read?

A) $$45$$

B) $$46$$

C) $$47$$

D) $$48$$

Answer: $$48$$

Useful Formula for this Question

$$\text{Total}=\text{First Value}+\text{Second Value}$$

Concept Behind This Question

Students should combine values represented in a bar graph.

Step-by-Step Solution

Books read by Bhavna

$$25$$

Books read by Deepa

$$23$$

Total

$$25+23=48$$

Therefore, the correct answer is:

$$48$$

Exam Tip

Read the graph carefully before adding values.


Q4. Which one of the following statements is correct?

A) A frequency table cannot be prepared from raw data.

B) Raw data is always arranged in ascending order.

C) A bar graph can be drawn after organizing data into a frequency table.

D) A pictograph never uses a key.

Answer: A bar graph can be drawn after organizing data into a frequency table.

Useful Concept for this Question

A frequency table is usually prepared before drawing a graph.

Concept Behind This Question

Students should understand the proper sequence of data representation.

Step-by-Step Solution

Raw data is first organized into a frequency table.

The organized data is then represented using graphs.

Therefore, the correct answer is:

A bar graph can be drawn after organizing data into a frequency table.

Exam Tip

The correct sequence is:

Raw Data → Frequency Table → Graph


Q5. A survey records the favourite indoor games of students.

GameFrequency
Chess$$14$$
Carrom$$19$$
Ludo$$17$$
Table Tennis$$10$$

How many students participated in the survey?

A) $$58$$

B) $$59$$

C) $$60$$

D) $$61$$

Answer: $$60$$

Useful Formula for this Question

$$\text{Total Participants}=\text{Sum of all Frequencies}$$

Concept Behind This Question

Students should calculate the total frequency.

Step-by-Step Solution

$$14+19+17+10$$

$$=60$$

Therefore, the correct answer is:

$$60$$

Exam Tip

The total number of participants is always equal to the total frequency.


Important Formulas & Concepts

1. Total Observations

$$\text{Total Observations}=\text{Sum of all Frequencies}$$


2. Frequency

Frequency = Number of times an observation occurs


3. Pictograph Formula

$$\text{Number of Symbols}=\frac{\text{Total Items}}{\text{Value of One Symbol}}$$


4. Combined Total

$$\text{Total}=\text{First Value}+\text{Second Value}$$


5. Sequence of Data Handling

Raw Data → Frequency Table → Pictograph/Bar Graph → Interpretation


FAQs

1. Why do we prepare a frequency table?

It organizes raw data before drawing graphs.

2. How do you calculate the total number of observations?

Add all the frequencies.

3. Can half-symbols be used in a pictograph?

Yes, if the key allows them.

4. What is the correct order of Data Handling?

Raw Data → Frequency Table → Graph → Interpretation.

5. Why are bar graphs useful?

They make comparisons between different categories easy.


Common Mistakes

❌ Forgetting to add all frequencies.

❌ Ignoring the pictograph key.

❌ Reading incorrect values from a graph.

❌ Confusing raw data with organized data.

❌ Skipping the frequency table before drawing a graph.


Quick Revision Notes

✔ Total observations = Sum of all frequencies.

✔ Frequency means the number of occurrences.

✔ Organize raw data before drawing graphs.

✔ Always check the pictograph key.

✔ Bar graphs are best for comparing categories.

✔ Half-symbols may be used when necessary.

✔ Data Handling follows a logical sequence from collection to interpretation.


Conclusion

Data Handling is a practical chapter that develops students’ ability to organize, represent, and interpret information accurately. By mastering concepts such as frequency tables, pictographs, and bar graphs, students improve their analytical and problem-solving skills. Regular practice with higher-level MCQs builds confidence and prepares students for CBSE, State Board, Olympiad, and scholarship examinations.


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