Mathematics
A bag contains 4 red balls and 5 green balls. One ball is drawn at random from the bag. The probability of getting either a red ball or a green ball is
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1
Probability
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Answer
Total no. of balls = 4 + 5 = 9.
Let A be the event of drawing a red or green ball. As, the total no. of red and green balls = 9, so the number of favourable outcomes to event A = 9.
∴ P(A) = = 1.
Hence, Option 4 is the correct option.
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