A mock IIT-JEE exam constitutes of 150 questions. Each correct answer fetches 4 marks . There is a penally of 2 marks for every incorrect answer and a

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A mock IIT-JEE exam constitutes of 150 questions.
Each correct answer fetches 4 marks . There is a penally of 2 marks for every incorrect answer and a penalty of 1 mark for every unattempted question Find the percentage of marks scored by the students by attempting 120 questions of which `33 .(1)/(3)%` are incorrect.


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Salim Ahmed Kawsar

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Correct Answer - `35%`

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