A bag contains 3 res balls 4green balls and 5 white balls.find the probability that the ball is not a white ball,if a ball is picked up randomly?
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the probability of not white balls are 7
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Answer:
Total no. balls = 3+4+5=12
No.of white balls=5
Probability of white balls = 5/12
Probability of getting not a white ball= 1- probability of getting a white ball
=1-5/12
=12-5/12
=7/12 Ans
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