Question 1: A pie chart shows that 30% of students in a school prefer basketball. If there are 240 students in total, calculate the number of students who prefer basketball.

Answer: 72

Question 2: A pie chart indicates that the angle representing the number of people who like tea is 45°. If the total frequency is 120, find the number of people who like tea.

Answer: 15

Question 3: A pie chart shows that 25% of survey respondents prefer cycling. If 80 people responded, how many prefer cycling?

Answer: 20

Question 4: Construct a pie chart segment for a category that accounts for 15% of the total, with a total frequency of 200.

Answer: F = (15/100) × 200 = 30

Question 5: A pie chart has an angle of 90° for category A. If the total frequency is 360, what is the frequency for category A?

Answer: 90

Question 6: A pie chart shows that 45% of a group prefer online shopping. The total number of people surveyed is 250. Find the number of people who prefer online shopping.

Answer: 112.5

Question 7: A pie chart's sector for oranges covers an angle of 60°. If the total frequency is 180, what is the frequency for oranges?

Answer: 30

Question 8: In a pie chart, the sector for apples is 72°. The total frequency is 250. Find the frequency of apples.

Answer: 50

Question 9: A pie chart shows that 20% of students prefer playing football. If the total number of students is 150, how many students prefer football?

Answer: 30

Question 10: A pie chart indicates that the angle for category B is 54°. The total frequency is 200. Calculate the frequency for category B.

Answer: 30

Question 11: Identify and correct the mistake in this statement: 'If the sector of a category covers 90°, then the frequency is 90 regardless of total frequency.'

Answer: Incorrect; frequency depends on total frequency, calculated as (angle/360) × total.