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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
1
Moderate
0
Tough
0
Year
2026
2
2025
5
2024
2
2023
1
2021
1
2019
0
2018
1
2017
0
2016
0
2015
0
1 of 53 ·
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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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