[MP PET 1989]
A) $ \frac{1}{13} $
B) $ \frac{1}{26} $
C) $ \frac{1}{2} $
D) $ \frac{7}{13} $
Correct Answer: D
Required probability is $ P(Red+Queen)-P(Red\cap Queen) $ $ =P(Red)+P(Queen)-P(Red\cap Queen) $ $ =\frac{26}{52}+\frac{4}{52}-\frac{2}{52}=\frac{28}{52}=\frac{7}{13}. $
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