Answer:
The answer to your question is 90%
Step-by-step explanation:
Data
total number of questions = 40
total number of questions answered = 36
percent = ?
Process
Let 40 question be the 100% and use proportions and cross multiplication to solve this problem
           40 questions ------------------- 100%
           36 questions -------------------  x
           x = (36 x 100)/40
          x = 90 %
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