Class 8 Pie Charts — practice questions with answers
Data Handling · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.
1. A pie chart is also commonly known as a:
ACircle graph
BBar graph
CLine graph
DPictograph
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Answer: A) Circle graph
A pie chart shows data as sectors of a circle, so it is also called a circle graph.
2. If a sector's central angle is 144 deg, what percentage of the data does it represent?
A40
B44
C36
D80
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Answer: A) 40
Percentage = 360144×100 = 40%.
3. The central angles of all sectors of a pie chart are added. Their sum is always:
A360 deg
BDepends on data
C180 deg
D100 deg
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Answer: A) 360 deg
All sectors together complete the circle, so the angles always sum to 360 deg.
4. In a pie chart of crop production in a Punjab village, Wheat occupies 198 deg. If total production is 5000 quintals, how many quintals of wheat were produced?
A3025
B2475
C2750
D5500
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Answer: C) 2750
Wheat = 360198×5000=2011×5000 = 2750 quintals.
5. In a pie chart of a company's earnings, the 'Profit' sector is 54 deg and equals Rs 81000. What are the total earnings (in Rs)?
A594000
B1080000
C540000
D486000
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Answer: C) 540000
54 deg -> Rs 81000, so 1 deg -> 5481000 = 1500. Total = 360 x 1500 = Rs 540000.