Question

a bag contains 5 red balls ,6 green balls and 7 black balls. if one ball is drawn at random, then find th probability that is : (i) black,(i) not green​

Answer 1

$\huge\mathcal{ANSWER}$



1) black balls = 7/18
2) not green = 12 / 18
= 2/ 3

Answer 2

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