Chapter-4 Data Handling and Presentation — Online MCQ Test
MATHS · Grade 6 · CBSE(NCERT)
Practice Chapter-4 Data Handling and Presentation with a free chapter-wise online MCQ test.
This chapter covers: data collection - tally marks - pictograph - bar graph - interpretation - pie charts.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter-4 Data Handling and Presentation — Important Questions & Answers
What is a tally mark used for in data handling?
- A. To represent numbers in a graphical form
- B. To count and record data quickly
- C. To calculate the average of data
- D. To create a pie chart
Answer: B. To count and record data quickly
Tally marks are a system of recording data where each mark represents one item, making counting quick and organized.
Tally marks are a system of recording data where each mark represents one item, making counting quick and organized.
In a tally mark system, how many items does one diagonal line represent?
- A. 1 item
- B. 3 items
- C. 5 items
- D. 10 items
Answer: C. 5 items
In tally marks, four vertical lines are crossed by one diagonal line to represent a group of 5 items, making counting easier.
In tally marks, four vertical lines are crossed by one diagonal line to represent a group of 5 items, making counting easier.
If a pictograph shows that one symbol represents 5 apples, and there are 3 symbols for mangoes, how many mangoes are represented?
- A. 3 mangoes
- B. 5 mangoes
- C. 8 mangoes
- D. 15 mangoes
Answer: D. 15 mangoes
If one symbol = 5 mangoes, then 3 symbols = 3 × 5 = 15 mangoes. This requires understanding the scale in a pictograph.
If one symbol = 5 mangoes, then 3 symbols = 3 × 5 = 15 mangoes. This requires understanding the scale in a pictograph.
Which graph representation would be most appropriate to show the composition of a school's student population by grade level?
- A. Bar graph showing all grades with bars
- B. Line graph connecting grade points
- C. Pie chart dividing into sectors for each grade
- D. Pictograph with separate symbols for each grade
Answer: C. Pie chart dividing into sectors for each grade
A pie chart is ideal for showing parts of a whole (composition), showing how each grade contributes to the total student population.
A pie chart is ideal for showing parts of a whole (composition), showing how each grade contributes to the total student population.
In a data handling project, students collected information about 60 students' favorite sports. If the pie chart shows Basketball as a 72-degree sector, and Football as a 120-degree sector, how many more students prefer Football than Basketball?
- A. 8 students
- B. 10 students
- C. 12 students
- D. 15 students
Answer: A. 8 students
Basketball: (72/360) × 60 = 12 students; Football: (120/360) × 60 = 20 students; Difference: 20 - 12 = 8 students. Pro level: requires understanding sector angles, fractions, and multi-step calculation.
Basketball: (72/360) × 60 = 12 students; Football: (120/360) × 60 = 20 students; Difference: 20 - 12 = 8 students. Pro level: requires understanding sector angles, fractions, and multi-step calculation.