JAMB Mathematics 2007 Question 5

Question 5

Data Presentation

The pie chart above illustrates the amount of private time a student spends in a week studying various subjects. Find the value of k.

Diagram for this question
  1. A.90°
  2. B.60°
  3. C.30°
  4. D.15°
Show the answer and explanation

Answer: C (30°)

Explanation

105° + 75° + 2k + k + 3k = 360°, so 6k = 180° and k = 30°.