ITMC 2019 Grade 5 National Preliminary set01 Question 22

Question 22

The line graph compares mathematics scores of students a and b from Grade 1 to Grade 6. Which statement is false?

1. The highest score of a is 90.
2. The highest score of b is 80.
3. The score of b increases every year.
4. The total score of b from Grade 1 to Grade 6 is 360.
5. In Grade 4, a scores 20 less than b.