A bag contains 5 red, 8 white and 7 black balls. A ball is drawn at random from the bag. Find the probability that the drawn ball is:

+1 vote
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asked Feb 9, 2018 in Mathematics by Kundan kumar (49,132 points) 34 379 1010
A bag contains 5 red, 8 white and 7 black balls. A ball is drawn at random from the bag. Find the probability that the drawn ball is:

(i) red or white. (ii) not black. (iii) neither white nor black.

1 Answer

+1 vote
answered Feb 9, 2018 by Vikash Kumar (144,729 points) 8 11 21
 
Best answer

Total number of balls=5 + 8 +7 =20

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