JAMB Mathematics 2019 Objective — Question 22

Question 22 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2019 Objective paper, with the correct answer and a full explanation.

In a small village of 500 people, 350 speak the local language while 200 speak pidgin English. What percentage of the population speak both?

A. 30%
B. 50%
C. 10%Correct
D. 14%

Explanation

Let x = number speaking both. (200−x)+x+(350−x)=500 ⇒ 550−x=500 ⇒ x=50. Percentage = 50/500×100% = 10%.

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