A speaks truth in 75% cases and B in 80% cases. In what percentage of cases, they are likely to…
They are likely to contradict each other in 35% of cases. Exactly one speaks the truth while the other does not, so the probability is \((0.75\times0.20)+(0.25\times0.80)\)…
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A speaks truth in 75% cases and B in 80% cases. In what percentage of cases, they are likely to contradict each other while narrating the same incident ?
Answer and explanation
Correct answer D
They are likely to contradict each other in 35% of cases. Exactly one speaks the truth while the other does not, so the probability is , which corresponds to 35%.
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Andhra Pradesh SET (APSET)