JAMB Mathematics 2016 Objective — Question 4

Question 4 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2016 Objective paper, with the correct answer and a full explanation.

4. In a school of 150 students, 80 offer French, 60 offer Arabic and 20 offer neither. How many students offer both subjects? A. 45 B. 10 C. 3 D. 30

A. 45
B. 10Correct
C. 3
D. 30

Explanation

Let x be the number of students that offer both. 80-x+x+60-x+20 = 150 → 160-x=150 → x=10.

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