The movement of the progress bar may be uneven because questions can be worth more or less (including zero) depending on your answer.
On a number line, where is the number 14 relative to the number - 23?
O 14 is to the right of -23.
O14 is nine units to the right of -23.
O-23 is to the right of 14.
O14 is to the left of - 23.