JAMB Mathematics 2017 Objective — Question 15
Question 15 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2017 Objective paper, with the correct answer and a full explanation.
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A box containing 10 black, 4 green and 6 yellow pens. What is the probability of picking a yellow pen with eyes closed?
- A. A. 1/6
- B. B. 7/10
- C. C. 3/10Correct
- D. D. 1/2
Explanation
P(yellow) = number of yellow pens / total pens = 6/20 = 3/10.
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