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A bag contains 6 red balls …

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A bag contains 6 red balls and some blue balls. If the probability of drawing a blue ball from the bag is double that of red ball , find the number of blue balls in the bag.

Posted by Monish Qureshi 6 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

Jyoti Laddha 6 years, 10 months ago

Let the blue ball be x Probability of blue ball =x/6+x Probability of red ball =6/6+x ATQ=x/6+x=2(6/6+x) X=12 balls

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