Question

in an examination a student scores 9 marks for every correct answer and loses 4 marks for every wrong answer. if a student had attempted in all 67 questions and secured 395 marks, what was the total number of questions he had attempted correctly?
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Answer 1

Answer:

52

Step-by-step explanation:

total no. of questions attempted = 67

marks if all the answers are correct

= 67x9

= 603

actual marks secured = 395

therefore

the total number of questions attempted correctly

= 603-395/4

= 52