It's more unusual to get a V40 with 11 wrong answers than it is to get a V41 with six wrong answers. But the number of wrong answers isn't very strongly correlated with your score, except when that number is extremely low or extremely high. One of your tests was harder, overall, then the other, and that meant the wrong answers didn't hurt you as much. Notice that the scoring 'works' - even though one test was harder, your scores were essentially the same, because the algorithm accounts for the
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