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WAEC Mathematics 2013 Question 35

Question 35

Data Presentation

The pie chart shows the distribution of 600 Mathematics textbooks for Arts, Business, Science and Technical classes. How many textbooks are for the Technical class?

Diagram for this question
  1. A.100
  2. B.150
  3. C.200
  4. D.250
Show the answer and explanation

Answer: D (250)

Explanation

Technical angle = 360° − 90° − 75° − 45° = 150°. 150/360 × 600 = 250.