Math, asked by dharanisweety9, 4 months ago

In an examination a student scores 9 marks for every correct answer and loses 4 marks 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?​

Answers

Answered by nskruthik
0

Answer:

If the number of correct answer be x, then

the number of incorrect answer is (75x).

∴4x−(75−x)=125orx=40

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