Hard

Data Handling and Presentation — Hard

15 questions 18 min PYQ-grade reasoning

Q1. Pictograph of tractors (🚜 = 1): A=6, B=5, C=8, D=3, E=6. Consider: I. C has the most. II. D has the smallest. III. C has 5 more than B. Which are correct?
- A. I and II only
- B. II and III only
- C. I and III only
- D. All three
Q2. Pooja's bar graph of tickets sold has the bar for Vidisha (24 tickets) at 6 unit lengths and the bar for Jabalpur (20 tickets) at 5 unit lengths. The scale of the graph is
- A. 1 unit length = 1 ticket
- B. 1 unit length = 2 tickets
- C. 1 unit length = 4 tickets
- D. 1 unit length = 6 tickets
Q3. Assertion (A): Showing the tallest mountains of seven continents as triangles of different heights makes the data more visually appealing. Reason (R): When triangles are drawn to look like mountains, taller triangles are also drawn wider, which can mislead the viewer about the actual quantity being compared.
- A. Both A and R are true, and R is the correct explanation of A.
- B. Both A and R are true, but R is NOT the correct explanation of A.
- C. A is true, R is false.
- D. A is false, R is true.
Q4. Imran's family expenditure is Food Rs 3400 and Electricity Rs 400. With scale 1 unit = Rs 200, the heights of the bars for Food and Electricity will be respectively
- A. 3400 units and 400 units
- B. 34 units and 4 units
- C. 17 units and 2 units
- D. 8 units and 1 unit
Q5. Sangita's pictograph uses 1 full smiley for 10 students and 1 half-smiley for 5 students. The class has 27 students present. What problem does she face?
- A. 27 cannot be shown exactly using only full and half-smileys
- B. 27 is too small to draw a pictograph
- C. she must change the scale to 1 smiley = 1 student
- D. the half-smiley is not allowed in a pictograph
Q6. Mudhol dogs in six villages number 18, 36, 12, 48, 18, 24. For a pictograph that uses whole symbols only and keeps every village's number exact, the most useful key is one symbol equals
- A. 1 dog
- B. 5 dogs
- C. 10 dogs
- D. 6 dogs
Q7. Bar graph of saplings: Mon 50, Tue 40, Wed 30, Thu 40, Fri 50, Sat 60, Sun 40. Consider: I. Wed+Thu = 70. II. Most planted on Saturday. III. Week total = 310. Which are correct?
- A. I and II only
- B. II and III only
- C. I and III only
- D. All three
Q8. Tigers in India: 2006→1400, 2010→1700, 2014→2200, 2018→3000, 2022→3700. Consider: I. Count more than doubled by 2022. II. Largest 4-year jump is 2014→2018. III. Count fell at some point. Which are correct?
- A. I and II only
- B. I and III only
- C. II and III only
- D. All three
Q9. At the upper-primary stage, the main focus of teaching data handling is
- A. memorising the definitions of data, frequency and scale
- B. drawing the most artistic-looking pictographs and bar graphs
- C. learning to handle data to answer specific questions, test hypotheses and take decisions
- D. preparing children for advanced statistics in higher classes
Q10. A pictograph of books borrowed shows Mon 5, Tue 4, Wed 2, Thu 0, Fri 5, Sat 8 (each symbol = 1 book). The total number of books borrowed during the week was
- A. 20
- B. 22
- C. 24
- D. 30
Q11. Assertion (A): Shri Nilesh's tally-and-frequency table tells him how many of each sweet to buy. Reason (R): The frequency column gives the count of students choosing each sweet, but the table does not record which sweet a particular student chose.
- A. Both A and R are true, and R is the correct explanation of A.
- B. Both A and R are true, but R is NOT the correct explanation of A.
- C. A is true, R is false.
- D. A is false, R is true.
Q12. A survey of 120 students gives Playing 45, Reading 30, Watching TV 20, Listening to music 10, Painting 15. With scale 1 unit length = 5 students, the bar for 'Playing' should be
- A. 5 units
- B. 9 units
- C. 15 units
- D. 45 units
Q13. A Class 6 student looks at a pictograph with key '☺ = 5 students' and answers 'how many students' by simply counting the number of symbols. The teacher's best next step is to
- A. scold the student for not reading carefully
- B. ignore the error since the count is close enough
- C. draw attention back to the key and ask: if one ☺ stands for 5 students, what does 4 ☺ stand for?
- D. tell the class that pictographs are confusing and switch to bar graphs
Q14. In a tally chart, 'gujiya' is shown with tally marks 卌卌 |||. The number of students who chose gujiya is
- A. 8
- B. 10
- C. 13
- D. 15
Q15. Imran's family expenditure is House rent 3000, Food 3400, Education 800, Electricity 400, Transport 600, Miscellaneous 1200. Consider: I. The family spends the most on food. II. Electricity costs about half of education. III. Education is less than one-fourth of food. Which are correct?
- A. I and II only
- B. II and III only
- C. I and III only
- D. All three

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