Hard
A student have to score 40% to pass an exam. But he got 30 score and failed by 10 score. What is the total score?
Explanation
Explanation
The passing score = 30 + 10 = 40, and this represents 40% of the total. So total score = 40 / 0.40 = 100.
PRO TIP
Re-check your working by substituting the answer back into the original question.