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← Bihar Board Class 12 PYQ
Probability
Bihar Board Class 12 · Mathematics · 53 past questions
Topic
Equally likely outcomes with coins, dice and cards
2
Basic probability and addition theorem
1
Conditional probability
1
Independent events and multiplication theorem
1
Random variables and probability distributions
1
Word problems on truth-telling, survival and bags
0
Level
Easy
6
Moderate
1
Tough
1
Year
2026
6
2025
8
2024
6
2023
4
2021
4
2019
4
2018
3
2017
4
2016
2
2015
2
6 of 53 ·
show all
Q23
2024 Set D
2024 Set J
If events $A$ and $B$ are independent then
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Q24
2024 Set D
2024 Set J
The probability of drawing a king from a pack of 52 cards is
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Q25
2024 Set D
2024 Set J
A coin is tossed 10 times. The probability of getting exactly six heads is
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Q26
2024 Set D
2024 Set J
$P(A)=\frac{6}{11},\ P(B)=\frac{5}{11},\ P(A\cup B)=\frac{7}{11}\Rightarrow P(A\cap B)=$
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Q27
2024 Set D
2024 Set J
Find the mean for the following probability distribution…
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Q28
2024 Set D
2024 Set J
$P(A)=\frac{1}{3},\ P(B)=\frac{1}{4},\ P(A \cap B)=\frac{1}{5} \Rightarrow P(B/A) =$
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