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← Bihar Board Class 12 PYQ
Probability
Bihar Board Class 12 · Mathematics · 53 past questions
Topic
Basic probability and addition theorem
3
Independent events and multiplication theorem
3
Conditional probability
2
Equally likely outcomes with coins, dice and cards
1
Random variables and probability distributions
0
Word problems on truth-telling, survival and bags
0
Level
Easy
3
Moderate
0
Tough
0
Year
2026
3
2025
2
2024
1
2023
1
2021
2
2019
4
2018
0
2017
2
2016
0
2015
1
3 of 53 ·
show all
Q1
2026 Set A
2026 Set H
2026 Set E
2026 Set F
2026 Set J
2026 Set B
$1 - P(A' \cap B') =$
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Q6
2026 Set A
2026 Set H
2026 Set E
2026 Set C
2026 Set F
2026 Set D
2026 Set J
2026 Set B
If the odds against the event $A$ is $3 : 7$ then $P(A) =$
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Q8
2026 Set C
2026 Set D
2021 Set J
2021 Set I
$1-P(A'\cap B') =$
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