Question

10. In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every incorrect
answer. If he attempts all 75 questions and secures 125 marks, what are the number of questions he
attempted correctly?
please answer this question ....
this may help me a lot..!​

Answer 1

Answer:

If the number of correct answer be x,

then the number of incorrect answer is (75x).

∴4x−(75−x)

=125

or x=40

Step-by-step explanation:

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