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There are three evens E(1),E(2)and E(3) ...

There are three evens `E_(1),E_(2)`and `E_(3)` one of which must, and only one can happen. The odds are 7 to 4 against `E_(1)` and 5 to 3 against `E_(2)`. Find odds against `E_(3)`.

A

`4:11`

B

`3:8`

C

`23:88`

D

`65:23`

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The correct Answer is:
D
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