Average score of sub-group
Arithmetical riddle # 3: A third of the students in the math class are girls. On the final exam, the girl's average score exceeds the class average by 6 points. The boy's average score is how many points below the class average? The answer to the 6 number line up is: x1 x2 x3 x4 x5 x6 1 6 4 5 2 3 2... Sign in to see full entry.