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1/2 is the answer
12/24=6/12=1/2
12/24=6/12=1/2
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total balls=24
Let the yellow balls be denoted as= x
Probability= x/12
When 12 balls are added,
ATQ,
2x/24 = x+12/36
On solving this equation x=6
:The number of yellow balls are 6
Let the yellow balls be denoted as= x
Probability= x/12
When 12 balls are added,
ATQ,
2x/24 = x+12/36
On solving this equation x=6
:The number of yellow balls are 6
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