Which of these would increase your score and look better to lenders pulling your report as well:
On report now: 1 Paid CO
5 Paid CA
Would getting the Paid CO deleted increase your score more or getting the 5 paid CA deleted?
On average by how much on each scenario??
Getting the 5 CA deleted would have the better impact. It is hard to say how much. There are too many factors in scoring to determine that. But, the newer the collection the bigger impact on your score.
Its got to look better to lenders any way I believe/ I know if i was a lender I would look more favorable towards 1 CO paid than 5 CO Paid. 1 mistake VS 5..
Getting the most recent derogatory information removed would help the score
I would say the answer to that depends a lot on the dates involved. Effects of things on your report vary a lot by date. 4 years is a big inflection point as is 6 months, or 2 years... As someone else said, the most recent things count the most.