?X? speaks truth in 60% and ?Y? in 50% of the cases. The probability that they contradict each other narrating the same incident is [UPSEAT 2004]

?X? speaks truth in 60% and ?Y? in 50% of the cases. The probability t

1.	?X? speaks truth in 60% and ?Y? in 50% of the cases. The probability that they contradict each other narrating the same incident is [UPSEAT 2004]
A.	\[\frac{1}{4}\]
B.	\[\frac{1}{3}\]
C.	\[\frac{1}{2}\]
D.	\[\frac{2}{3}\]
Answer» D. \[\frac{2}{3}\]

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?X? speaks truth in 60% and ?Y? in 50% of the cases. The probability that they contradict each other narrating the same incident is [UPSEAT 2004]

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