JAMB Mathematics 1983 Question 43

Question 43

Data Presentation

The farm yields of four crops on a piece of land in Ondo are represented on the pie chart above. What is the angle of the sector occupied by Okro in the chart?

Diagram for this question
  1. A.91⅓°
  2. B.19⅓°
  3. C.33⅓°
  4. D.11°
  5. E.91°.
Show the answer and explanation

Answer: B (19⅓°)

Explanation

The total yield is 14.5 + 25.6 + 45.4 + 184.5 = 270kg. Okro's angle = 14.5/270 × 360° ≈ 19⅓°.