Question

# A bag contains 4 red 6 blue and 7 yellow balls One ball is selected at random What is the probability that it is a red ball ?

A
417
B
617
C
717
D
1317

Solution

## The correct option is A $$\dfrac{4}{17}$$Number of red balls = 4Total number of balls = 4 + 6 + 7 = 17$$\displaystyle \therefore$$ Probability of a red ball = $$\displaystyle \frac{4}{17}$$Maths

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