Chapter Exam

Chapter-5 Information Processing — Online MCQ Test

Q: What does a pictograph use to represent data?

Answer: B. Symbols or pictures — A pictograph displays data using symbols or pictures. Each symbol stands for a fixed number of items.

Q: In a bar graph, what does the height of each bar show?

Answer: C. The value or frequency — The height or length of a bar represents the frequency or value of that category. Taller bars indicate larger values.

Q: If one picture in a pictograph represents 5 students, how many students are shown by 4 pictures?

Answer: C. 20 — Since 1 picture = 5 students, 4 pictures = 4 × 5 = 20 students.

Q: A bar graph shows the number of notebooks sold by 4 shops. Shop A = 20, Shop B = 15, Shop C = 25, Shop D = 10. What is the difference between the highest and lowest sales?

Answer: C. 15 — The highest sales are 25 and the lowest are 10. The difference is 25 - 10 = 15.

Q: Which statement is correct about a bar graph?

Answer: C. The scale must be uniform on one axis — A bar graph uses a uniform scale on the axis to represent values accurately. The bars are usually of equal width and separated by gaps.

MATHS · Samacheer Kalvi 8th · Tamil Nadu State Board

Practice Chapter-5 Information Processing with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 8th MATHS. This chapter covers: data graphs pictographs Covers data handling graphs pictographs and interpretation. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-5 Information Processing — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 8th MATHS — Chapter-5 Information Processing, with answers and explanations. These are sample questions; the exam has its own separate question set.

What does a pictograph use to represent data?

A. Numbers only
B. Symbols or pictures ✓
C. Angles only
D. Algebraic expressions

Answer: B. Symbols or pictures
A pictograph displays data using symbols or pictures. Each symbol stands for a fixed number of items.

In a bar graph, what does the height of each bar show?

A. The title of the graph
B. The category name
C. The value or frequency ✓
D. The color of the data

Answer: C. The value or frequency
The height or length of a bar represents the frequency or value of that category. Taller bars indicate larger values.

If one picture in a pictograph represents 5 students, how many students are shown by 4 pictures?

A. 9
B. 10
C. 20 ✓
D. 25

Answer: C. 20
Since 1 picture = 5 students, 4 pictures = 4 × 5 = 20 students.

A bar graph shows the number of notebooks sold by 4 shops. Shop A = 20, Shop B = 15, Shop C = 25, Shop D = 10. What is the difference between the highest and lowest sales?

A. 10
B. 12
C. 15 ✓
D. 20

Answer: C. 15
The highest sales are 25 and the lowest are 10. The difference is 25 - 10 = 15.

Which statement is correct about a bar graph?

A. The bars must always be horizontal
B. The width of each bar can be different
C. The scale must be uniform on one axis ✓
D. The bars must touch each other for all data

Answer: C. The scale must be uniform on one axis
A bar graph uses a uniform scale on the axis to represent values accurately. The bars are usually of equal width and separated by gaps.

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