Probability

Bihar Board Class 12 · Mathematics · 53 past questions

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1. Q22 2025 Set E20172015

   A speak the truth in 75% cases and dB B in 80% of the cases. In what percentage of the cases are they likely…

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2. Q46 2018

   Odds are 8:5 against a man, who is 55 years old, living till he is 75 and 4:3 against his wife who is now 48…

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