Our school does them and they give us the scores each year. We are told that 100 is the average. I think the highest score is about 140 but I'm not 100% sure, so from that point of view the scoring is similar to the bucks 11plus where the pass mark is 121. I think they told us that the top 10% is over 120, over 130 is taken as "evidence" of G&T. DD scored 119 in VR in year 3, higher in years 4&5 but did not pass the 11 plus although she is now at GS. We are also told that CATS (cognitive ability tests) are designed to test their innate ability rather than what they have learned at school and can't be taught. Which rather begs the question "why aren't these tests used for the 11plus?". If you search you might find more in the Buckinghamshire section (I'll edit if I find it) as I think here was a discussion over there recently.
So I suppose a question for your friend is "what percentage get into GS in your area". A score of 119 in VR and just above average in the others would mean probably a bit borderline but could do it on a good day in bucks but as someone as commented before, everyone in bucks (with a few exceptions) takes the 11plus and about 25-30% pass). In bucks they only do (mainly) verbal reasoning so a score of just above average in VR would be unlikely to give confidence going forward to the 11plus.
Here it is: viewtopic.php?f=12&t=20075&hilit=CATS
Edit: top 5% is over 120 apparently (sorry, remembered incorrectly)