probability..class 10 ...plz answer fast
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x/12=Probability of drawing a red ball initially.
(x+6)/18=Probability of drawing a ball after 6 balls were added=2×Initial prob.(given)
Now,
2×(x/12)=(x+6)/18
x=3
Follow me!
(x+6)/18=Probability of drawing a ball after 6 balls were added=2×Initial prob.(given)
Now,
2×(x/12)=(x+6)/18
x=3
Follow me!
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