WAEC Mathematics 2017 Objective — Question 29

Question 29 of 50 from the West African Examinations Council (WAEC) Mathematics 2017 Objective paper, with the correct answer and a full explanation.

The bar chart shows the statistics of the number of passes and failures in an examination in a school from 2001 to 2004. What is the ratio of the total number of passes to the total number of failures?

A. A. 60:13
B. B. 10:3
C. C. 5:1Correct
D. D. 40:13

Explanation

From the chart: no. of passes = 75+70+60+80=285. No. of failures=15.5+10+15.5+15=56. Ratio of passes:failures = 285:56 ≈ 5:1.

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