a jar contains 54 Marbles each of which is blue green or white the probability of selecting a blue marble at random from the jar is 1 by 3 and the probability of selecting a green marble at random is 4/9 how many white Marbles does the jar contains
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white jar contain 12 marbles
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Answer:
total number of marbles=54
probability of blue marble =1/3
= 1×18/3×18
=18/54
so we can say there are 18 blue marbles.
probability of green marbles=4/9
=4×6/9×6
=24/54
so we can say that there are 24 green marbles.
now,
green marbles+blue marbles+white marbles=54
24+18+white marbles=54
42+white marbles=54
white marbles=12
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