JAMB Mathematics 2015 Objective — Question 42
Question 42 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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A bag contains 10 black balls and 15 white balls. If a ball is picked at random without replacement, what is the probability of picking a white ball?
- A. 2/5
- B. 3/5Correct
- C. 4/5
- D. 1/5
Explanation
P(white) = 15/(15+10) = 15/25 = 3/5.
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