JAMB Mathematics 2009 Objective — Question 41

Question 41 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2009 Objective paper, with the correct answer and a full explanation.

Use the table below to answer this question (No. of Days 1-6, No. of Students 20, 2x, 60, 40, x, 50). The distribution above shows the number of days a group of 260 students were absent from school in a particular time. How many students were absent for at least four days in the term?

A. 180
B. 120Correct
C. 110
D. 40

Explanation

Total students = 260. Solving for x: 20+2x+60+40+x+50=260. 3x+170=260. x=30. At least four days = day4+day5+day6 = 40+30+50=120.

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