Bag contain 10 back and 20 white balls, One ball is drawn at random. What is the probability that ball is white
Total cases = 10 + 20 = 30
Favourable cases = 20
So probability = 20/30 = ⅔
Bag contain 10 back and 20 white balls, One ball is drawn at random. What is the probability that ball is white
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AMCAT Quantitative Ability Previous Papers-2 |
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