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Q.

A bag contains $4$ black, $8$ black, red and 6 white balls. One ball is drawn at random from the bag, then the probability that the drawn ball is not black is,

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a

29

b

59

c

79

d

1

answer is C.

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Detailed Solution

It is given that there is a bag with balls of color black, red and white.
According to the question, there are a total of 18 balls in the bag.
In the bag, there are a total of 18 - 4 = 14 balls that are not black in color.
Therefore, the probability the ball drawn from the bag is not black,

= number of not black balls total number of balls

= 1418 = 79

The probability the ball drawn from the bag is not black is

79

.
Hence, option 3 is correct.

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