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← Bihar Board Class 12 PYQ
Probability
Bihar Board Class 12 · Mathematics · 53 past questions
Topic
Basic probability and addition theorem
2
Conditional probability
1
Independent events and multiplication theorem
1
Equally likely outcomes with coins, dice and cards
0
Random variables and probability distributions
0
Word problems on truth-telling, survival and bags
0
Level
Easy
4
Moderate
0
Tough
0
Year
2026
6
2025
8
2024
6
2023
4
2021
4
2019
4
2018
3
2017
4
2016
2
2015
2
4 of 53 ·
show all
Q8
2026 Set C
2026 Set D
2021 Set J
2021 Set I
$1-P(A'\cap B') =$
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Q35
2021 Set J
2021 Set I
If $A$ and $B$ be two events then $P\left(\frac{A}{B}\right)+P\left(\frac{A'}{B}\right)=$
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Q36
2021 Set J
2021 Set I
If $A$, $B$ and $C$ are three independent events then
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Q37
2021 Set J
2021 Set I
$P(A)+P(A')=$
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