Chapter 16: Data Handling — Online MCQ Test
MATHS · Samacheer Kalvi 7th · Tamil Nadu State Board
Practice Chapter 16: Data Handling with a free chapter-wise online MCQ test.
This chapter covers: Pie charts bar graphs and interpretation of data pie chart bar graph data.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 16: Data Handling — Important Questions & Answers
What is a pie chart mainly used for?
- A. To show parts of a whole
- B. To compare two numbers by subtraction
- C. To find the perimeter of a circle
- D. To arrange numbers in ascending order
Answer: A. To show parts of a whole
A pie chart shows how a whole is divided into different parts. Each sector represents a fraction or percentage of the total.
A pie chart shows how a whole is divided into different parts. Each sector represents a fraction or percentage of the total.
In a bar graph, what does the height of each bar usually represent?
- A. The colour of the data
- B. The value or frequency of the data
- C. The name of the category
- D. The total number of axes
Answer: B. The value or frequency of the data
The height or length of a bar shows the value of each category. Taller bars represent larger values.
The height or length of a bar shows the value of each category. Taller bars represent larger values.
A class has 40 students. If 10 students like cricket, what fraction of the class likes cricket?
- A. 1/2
- B. 1/4
- C. 3/4
- D. 2/5
Answer: B. 1/4
The fraction is 10 out of 40, which simplifies to 1/4. This means one-fourth of the class likes cricket.
The fraction is 10 out of 40, which simplifies to 1/4. This means one-fourth of the class likes cricket.
The following table shows the number of pets owned by 4 children: Arun-2, Balu-5, Cibi-3, Deepa-6. Which statement is correct?
- A. Balu owns the least number of pets
- B. Deepa owns the most number of pets
- C. Arun owns more pets than Cibi
- D. Cibi owns the most number of pets
Answer: B. Deepa owns the most number of pets
Deepa has 6 pets, which is the highest among the four children. So Deepa owns the most number of pets.
Deepa has 6 pets, which is the highest among the four children. So Deepa owns the most number of pets.
In a bar graph, the values are 12, 18, 9, and 15. Which is the correct difference between the highest and lowest values?
- A. 6
- B. 7
- C. 8
- D. 9
Answer: D. 9
The highest value is 18 and the lowest value is 9. The difference is 18 - 9 = 9.
The highest value is 18 and the lowest value is 9. The difference is 18 - 9 = 9.