Chapter 6: Information Processing — Online MCQ Test

MATHS · Samacheer Kalvi 7th · Tamil Nadu State Board
Practice Chapter 6: Information Processing with a free chapter-wise online MCQ test. This chapter covers: Data handling pictographs bar graphs and interpretation data graphs pictographs. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 6: Information Processing — Important Questions & Answers

In a pictograph, what does each symbol usually represent?

A. A fixed number of items
B. Only one item always
C. A random number of items
D. Nothing specific

Answer: A. A fixed number of items
In a pictograph, one picture or symbol stands for a fixed number of objects as shown in the key.

Which of the following is used to display data using rectangular bars?

A. Pie chart
B. Bar graph
C. Line graph
D. Pictograph

Answer: B. Bar graph
A bar graph represents data using bars of equal width with heights or lengths proportional to the values.

If 1 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
Multiply the number of pictures by the value of one picture: 4 × 5 = 20.

In a class survey, the number of favourite colours is shown as: Blue = 10, Red = 6, Green = 10, Yellow = 4. Which statement is correct?

A. Blue is more than Green
B. Yellow is the least preferred colour
C. Red and Yellow are equal
D. Blue is the least preferred colour

Answer: B. Yellow is the least preferred colour
Yellow has the smallest value, 4, so it is the least preferred colour.

In a pictograph, a half symbol represents 2 items and a full symbol represents 4 items. If there are 3 full symbols and 2 half symbols, how many items are represented?

A. 10
B. 12
C. 14
D. 16

Answer: C. 14
Three full symbols represent 3 × 4 = 12 items and two half symbols represent 2 × 2 = 4 items. Total = 12 + 4 = 16.