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What was confusing me was thinking: 1:2,000 , then 5 prizes, (5/2000=400... meaning end figure of 1:400... (Which I assumed could not be right... )

The highlighted above then confused me. :)
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Of course. But then understanding how the 5 come into play, unless it would be 5 chances, each chance 1:2,000, then 2nd prize 1: 1,999, then 3rd prize 1:1,998, and so on... (I know would be slightly...

Unless the starting point would be:
1:100,000
1:99,999
1:99,998
1:99,997
1:99,996

For the 5 prizes, but then how would the 50 entries be applied?

Would 50:100,000 be translated into...

All above were very helpful, and did give me more of an idea, but still not able to arrive at how to calculate it all through... (unless essntially, it means in the end, odds of any one prize are...

The 5 is certainly not helping me. :confused::)

I don't understand. So then the initial would be 50:99,950?

Where do the 5 chances come into play and how?

I assumed the odds with 1 entry would be 1:20,000 (since 5 equal prizes in 100,000)
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I have been trying to figure this out, have done many, many searches, read hundreds of pages, and still cannot understand the calculation. (Most questions have to do with lotto odds... )

The...