Post-UTME Mathematics 2009 Objective — Question 4
Question 4 of 15 from the Post-UTME Screening (Post-UTME) Mathematics 2009 Objective paper, with the correct answer and a full explanation.
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A ball drawn from a box containing 12 red balls, 8 white balls and 10 green balls. What is the probability of drawing either a red, white or green ball?
- A. 2/5
- B. 1/3
- C. 1Correct
- D. 0.47
Explanation
Since red, white and green account for all the balls in the box, the probability of drawing one of these colours is certain, i.e. 1.
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