WAEC Mathematics 2019 Objective — Question 19
Question 19 of 145 from the West African Examinations Council (WAEC) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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19. There are 8 boys and 4 girls in a lift. What is the probability that the first person who steps out of the lift will be a boy?
- A. 3/4
- B. 1/3
- C. 2/3Correct
- D. 1/4
Explanation
Number of boys=8, total=12. Probability(boy stepping out) = 8/12 = 2/3.
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