A bag contains some balls of which x are white ,2x are black and 3x are red. A ball is selected random. What is probability that it is (i)not red (ii) white in colour?
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Red+White+Blue=24
x+2x+3x=24
6x= 24
x=4
Red= 4
White=8
Blue=12
i) White and blue are not red.
No. of balls not red =8+12=20
Probability=20/24 =5/6
ii) No. of white balls = 8
Probability =8/24 =1/3
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