A bag contains 12 blue balls and x red balls. if one ball is drawn at random (i)what is the probability that it will be red balls,(ii)if 8 more red balls are put in the bag,and if the probability of drawing a red ball will be twice that of the probability in
(i),then find x
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a basket contains some black, 4 red and 5 green balls. If one ball is taken randomly, the probability of getting a green colour ball is 1/3. What is the no. of Black balls in the basket ? give answer with explanation.
Options are :-
A)3
B)4
C)5
D)6
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