They could be evens, paradoxically (4)

I believe the answer is:

odds

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'they could be evens' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

(Other definitions for odds that I've seen before include "prices" , "Take chances" , "Likelihood of something happening" , "Probabilities" , "The chances of something happening" .)

I've seen this clue in The Daily Mail.

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