waec model questions vol6 2024 mathematics
Objective • Question 14
Question 14
WAEC_MODEL_QUESTIONS_VOL6
•
2024
A bag contains red, blue and green balls. The probability of drawing a red ball is twice that of drawing a blue ball, and the probability of drawing a green ball is three times that of drawing a blue ball. Two balls are drawn successively without replacement. Given that at least one of the drawn balls is red, find the probability that both balls are red. Express your answer as a fraction in lowest terms.
Answer Options
A.
2/9
Correct Answer
B.
1/9
C.
1/8
D.
1/12
Correct Answer
B
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