The winning Washington DC DC-3 numbers for October 10, 1990 were: single 6-5-0.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Oct 10, 1990 | Single | 6-5-0 | 11 | 2 |
| Oct 9, 1990 | Single | 1-6-0 | 7 | 7 |
| Oct 5, 1990 | Single | 7-2-8 | 17 | 8 |