A jar contains 63 marbles which are red blue and white p(e) of selecting a rec marble from jar is 1by3 and white marble from jar is 2by9 how many blue marbles are there in jar?
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probability of getting a red marble placement by 1/3 and that of a white marble is 2/9
therefore therefore the probability of blue marble will be 1 - (sum of probabilities of white and red marbles)=1-(1/3+2/9)=
1-(5/9)=4/9
therefore number of blue marbles are 4/9×63=38...ans
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