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Question:

The number of students in a hostel speaking different languages is given below. Display the data in a pie chart. Language Hindi English Marathi Tamil Bengali Total Number of students 40 12 9 7 4 72

Solution:

Central angles:
Hindi → 40/72 × 360° = 200°
English → 12/72 × 360° = 60°
Marathi → 9/72 × 360° = 45°
Tamil → 7/72 × 360° = 35°
Bengali → 4/72 × 360° = 20°