Question 24
The teacher has six marbles colored blue, red, purple, yellow, pink and brown. She chooses three different colors and places them in positions 1, 2 and 3. Each guessed marble scores 3 points for the correct color in the correct position, 1 point for a correct color in a wrong position, and 0 points for a color not selected. The table gives the guesses and total scores. How many points does Giang score?
