Math miscellaneousHard

Question

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 ∪ B) is

Options

A.
B.
C.
D.

Solution

       
BD = AB = 7 + x
Also AB = x tan 60o = x√3
∴     x√3 = 7 + x
x =
AB =

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