Question

A bag contains 50 balls some of them are white,some are blue and some are red. The number of white balls is 11 times the blue balls. The no. of red balls is less than number of white balls. Also the number of red balls is more than the no. Of blue balls. If a ball is selected at random then what is the probability that it is red?
Can someone help me with this sum?

Answer 1

x=3
B=x=3
w=11x=11×3=33
R=50-12x
=50-12×3
=50-36
=14
now event A for red ball
so, n(A)=14
P(A)= 14/50
=7/25




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Answer 2

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