A bag contains 7 red balls, 5 white balls and 6 black balls .A ball is drawn from the bag at random ;find the probability that the ball drawn is not black.
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Answer:
2/3
Step-by-step explanation:
Total number of balls=18
probability that the ball drawn is not black
=1-6/18
=1-1/3
=(3-1)\3
=2/3
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