Elitmus Exam Logical Reasoning

There are Nine horses R,S,T,U,V,W,X,Y,Z and there were five races in which only five horses can took part in each races. After each race the horse that comes first in alphabetical order didn't took part.eg.(1st race- R,S,T,U,V , 2nd race- S,T,U,V,W and so on).
1.No horses get the same position in the race.
2.Horse 'v' was tired so he was not upto his mark and came 4th in 1st race and 5th in his last race.
7 points were awarded for 1st position. 5 points for 2nd. 3 points for 3rd, 1 point for 4th and no point for 5th.
R-7
S-
T-
U-
V-?
W-
x-?
Y-
Z-1 .
Do anyone remember this question. If yes could you fill the data Please?

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