Question 1: A pie chart shows that 25% of students in a school prefer basketball. If there are 480 students in total, how many students prefer basketball?

Answer: 120

Question 2: The angle representing students who like football is 45° in a pie chart. What is the frequency of students who like football if the total number of students surveyed is 360?

Answer: 90

Question 3: A pie chart indicates that 15% of a company's employees work remotely. If the company has 200 employees, how many employees work remotely?

Answer: 30

Question 4: The angle for the 'art' category in a pie chart is 60°. If the total number of respondents is 150, find the number of respondents who chose 'art'.

Answer: 25

Question 5: Calculate the frequency of students who prefer reading if 35% of 500 students prefer reading and the pie chart angle for reading is 126°.

Answer: 175

Question 6: A pie chart shows that 20% of a survey respondents liked a new product. If 180 people responded, how many liked the product?

Answer: 36

Question 7: In a survey of 400 people, 30% preferred outdoor activities. The pie chart shows that the outdoor activities sector has a 108° angle. Find how many people preferred outdoor activities.

Answer: 120

Question 8: A pie chart's sector for 'Music' is 72°. If 240 people were surveyed, calculate the number of people who preferred 'Music'.

Answer: 80

Question 9: Construct a pie chart sector representing 10% of a total of 600 students. What is the angle of the sector?

Answer: 36

Question 10: A pie chart shows that 18% of students like science, and the total number of students is 550. Find the number of students who like science.

Answer: 99

Question 11: Error Analysis: A student calculated that a sector with an angle of 90° in a pie chart corresponds to 50 students. The total number of students surveyed is 180. Identify and correct the mistake in the student's calculation.

Answer: The correct frequency for 90° is (90/360)×180=45 students, not 50.