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Bag contains 5 red balls and rest of the were blue balls, if blue balls were thrice more than red balls , find probability of blue balls

Posted by Riya Rose Roy 5 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Mith Jain 5 years, 3 months ago

Red Balls =5 Blue Balls=x P (Blue Balls)= x/5+x P(Red Balls)= 5/5+x [P(Blue Balls )]=2[P(Red Balls)] x/5+x = 2(5/5+x) x/5+x =10/5+x (5+x will be cut so the answer is x=10) Blue Balls =10 P(Blue Balls)=x/5+x=10/15 P(Red Balls)=5/5+x=5/15 Hence done

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CBSE > Class 10 > Mathematics