A bag contains 5 black, 4 white and x red marbles. If the probability of
MATHEMATICS
JAMB 2006
A bag contains 5 black, 4 white and x red marbles. If the probability of picking a red marble is 2/3, find the value of x
- A. 8
- B. 10
- C. 4
- D. 6
Correct Answer: D. 6
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