A) \[\frac{2}{3}\]
B) \[\frac{3}{4}\]
C) \[\frac{7}{19}\]
D) \[\frac{8}{21}\]
E) None of these
Correct Answer: D
Solution :
Explanation Option (d) is correct. Total number of balls = (8 + 7 + 6) = 21 Let E = event that the ball drawn is neither red nor green = event that the ball drawn is red. \[\therefore \,\,\,\,\,\,\,\,\,n\,(E)=8\] \[\therefore \,\,\,\,\,\,\,\,\,P\,(E)=\frac{8}{21}.\]
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