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Question: Answered & Verified by Expert
A die is thrown. 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 $P(A \cup B)$ is
MathematicsProbabilityJEE MainJEE Main 2008
Options:
  • A
    $\frac{3}{5}$
  • B
    0
  • C
    1
  • D
    $\frac{2}{5}$
Solution:
1738 Upvotes Verified Answer
The correct answer is:
1
$$
A=\{4,5,6\}, B=\{1,2,3,4\} \text {. }
$$
Obviously $P(A \cup B)=1$.

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