A die is thrown once. Let {\A} be the event that the number ...

CBSE Class 12 Math 2020 Delhi Set 1 Solved Paper

Question : 10

Total: 36

A die is thrown once. Let A be the event that the number obtained is greater than 3. Let B be the event that the number obtained is less than 5 . Then P(A∪B) is

‌
2
5
‌
3
5
0
1

Solution: 👈: Video Solution

P(A)=‌

P(B)=‌

and
P(A∩B)=‌

We know,
P(A∪B)‌=P(A)+P(B)−P(A∩B)
‌=‌

+‌

−‌

‌=‌

=1
∴ Option (d) is correct.

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